Oct 21, 2021 · You can write your code to control CyberPi. 1. Use a USB cable to connect CyberPi to your computer. 2. Click Connect in mBlock-Python Editor, and then click Connect in the dialog box that appears. 3. Set program execution mode to Live. For device programming, mBlock-Python Editor provides two program execution modes: Live and …Nov 18, 2019 · Due to Adobe will end support of Flash Player on December 31, 2020, whereupon mBlock 3 web editor that runs with Flash Player will no longer be available for browsers including Chrome, Apple Safari, Microsoft Edge, IE, Mozilla, etc. Besides, mBlock 3 Mac version will no longer work on macOS Catalina 10.15 and above since 32-bit app …5 days ago · mBlock Block-Based IDE- Coding for Beginners. extension. 10 move steps 15 turn degrees 15 turn degrees mouse-pointer go to 0 0 go to x: y: 1 mouse-pointer glide secs to 1 0 0 glide secs to x: y: 90 point in direction mouse-pointer point towards 10 change x by 0 set x to 10 change y by 0 set y to if on edge, bounce set rotation style left-right ...May 2, 2022 · The following styles are available: left-right: The sprite faces only left or right. don’t rotate: The sprite always faces one direction. all around: The sprite can face any direction. Example: When you click the space key, the sprite keeps moving forward and bounces back when it touches the edge of the stage, and it always faces left or right.Nov 1, 2023 · mBlock is a one-stop coding platform that supports coding education and learning with blocks, Python, web browser, and mobile app. Download mBlock for Windows, Mac, Linux, Chromebook, iOS, Android, …1 day ago · 在传统的“脚本模式”下，JavaScript代码通常作为HTML页面的一部分嵌入或直接通过 <script> 标签引入。. 在这种情况下，使用 var 声明的变量会成为 全局对象 （在浏 …May 2, 2022 · It supports the real-time transcoding of blocks and code, allowing users to learn MicroPython and stage Python programming. As 2020 began, we found that the code editor embedded in mBlock 5 no longer met the increasingly widespread and professional educational needs despite its block-code transcoding, device programming, and stage …4 days ago · These lessons will help students better understand Python code, AI and Machine learning with mBlock. Contents: Lesson 1 – A step by step guide to learning Python with mBlock Lesson 2 – Artificial Intelligence and programming Lesson 3 – Machine learning for recycling Lesson 4 – Tomato detection robot .May 2, 2022 · It supports the real-time transcoding of blocks and code, allowing users to learn MicroPython and stage Python programming. As 2020 began, we found that the code editor embedded in mBlock 5 no longer met the increasingly widespread and professional educational needs despite its block-code transcoding, device programming, and stage …May 2, 2022 · The latest version of mBlock, mBlock 5, enables a machine to learn visual models. It is an important tool for experiencing, learning, and creating visual AI applications. On mBlock 5, you can quickly train the learning models of a machine to be used in block-based coding. mBlock 5 can also be used in combination with hardware such as robots to ...5 days ago · Start Learning coding with mBlock. Create with mBlock online block-based editor Today. Learn AI and robotic programming with mBlock.Nov 10, 2021 · Needless to say, none of these short-lived efforts have survived. The M Den is the official merchandise retailer of Michigan Athletics. To Hirth, the block M is just as identifiable a logo as any mascot would be. “It just speaks to what the University is,” Hirth said. “A lot of other universities have an official mascot. A powerful coding platform developed based on Scratch 3.0 is specially designed for robotics, STEM, and coding learning. By supporting block-based and Python language, mBlock 5 allows users to create games and animations freely and to program Makeblock robots and more open-resource hardware. This software features cutting-edge technologies such ... Feb 27, 2017 · mBlock 3.4.5 is the "stable" version of mBlock at the current stage. It is the last version of mBlock 3.x.x series. This is an early preview version, which is not fully tested. Certainly, there will be numerous bugs. Other existing issues include: This version is tested in Ubuntu 14.04 and 16.04. What I appreciate the most is the versatility of the Makeblock Education products: from robots and electronic boards to programming platform for 1 day ago · The 40-year-old says he is still considering an early retirement because he feels there is a mental block stopping him performing in tournaments. While he feels as good …Mar 6, 2023 · 3. Connect mBot to the mBlock Blockly app. (1) Enable the Bluetooth function on the tablet. (2) Power on mBot. (3) Tap to open the mBlock Blockly app. (4) Tap the connection icon in the upper-right corner and place your smart device close to mBot. The app searches for devices that can be connected and connects to your mBot. Apr 19, 2018 · The mBlock 5 is a software tool for STEAM education. It is inspired by Scratch 3.0 and supports graphical and text programming. With mBlock 5, children are able to create engaging stories, games and animations, and program hardware like Makeblock robots, Arduino and micro:bit. It supports Python programming as well.Mar 22, 2024 · M. Block and Sons, Inc. is a leading provider of end-to-end supply chain services, with $1.8 billion in revenues. M. Block offers solutions tailored to provide manufacturers with a comprehensive ...Apr 17, 2024 · mLink is a driver that allows you to control robots with mBlock web version, a web-based programming platform for Arduino and other devices. Learn how to download …Sep 22, 2022 · mBlock 5 provides you with detailed example programs to help you get started quickly and learn about CyberPi series products. On mBlock 5, choose Tutorials > Example Programs, and then click CyberPi to view all example programs provided for CyberPi. In addition to the example programs, you can visit the mBlock community to find some programs ... Aug 11, 2020 · 慧编程在线Python编辑器 0基础学编程 支持机器人编程与人工智能教学Aug 11, 2020 · Start Learning Python with mBlock. Create with mBlock Python Code Online Editor Today. Learn AI and robotic programming with mBlock Python IDE. With mBlock, students can easily create games, animations and program robots by dragging and dropping blocks, or through writing Python. Moreover, mBlock comes with AI, IoT, data science features for cutting-edge computer science learning, making it the perfect helper for coding educators and learners. Apr 29, 2022 · MotionBlock is a programmable, transformable, and high-performance robot that allows you to have fun in learning. Designed with simplified building process, carrying a professional intelligent servo, MotionBlock can be used to imitate the motions of animals or perform high-precision actions. Using the provided demonstrator and motion recording ...May 23, 2023 · If no COM item is displayed, perform the following steps: (1) Right-click Computer and choose Manage. (2) Choose Device Manager in the Computer Management window. (3) Choose Action > Add legacy hardware. (4) Click Next and select Install the hardware that I manually select from a list (Advanced).5 days ago · mBlock Block-Based IDE- Coding for Beginners. extension. 10 move steps 15 turn degrees 15 turn degrees mouse-pointer go to 0 0 go to x: y: 1 mouse-pointer glide secs to 1 0 0 glide secs to x: y: 90 point in direction mouse-pointer point towards 10 change x by 0 set x to 10 change y by 0 set y to if on edge, bounce set rotation style left-right ...Nov 1, 2023 · Download and use mBlock across different devices. Supports Windows, Mac, Linux, Chromebook, iOS ,and Android.5 days ago · Start Learning coding with mBlock. Create with mBlock online block-based editor Today. Learn AI and robotic programming with mBlock.4 days ago · These lessons will help students better understand Python code, AI and Machine learning with mBlock. Contents: Lesson 1 – A step by step guide to learning Python with mBlock Lesson 2 – Artificial Intelligence and programming Lesson 3 – Machine learning for recycling Lesson 4 – Tomato detection robot .Mar 10, 2022 · About this app. mBlock Blockly, renamed from the mBlock App, is a graphical programming software made by Makeblock for STEAM education. It introduces users to the world of robotic programming. Without any prior knowledge, users can start programming robots by playing through games; then they can personalize their mBots with newly-learnt ... Apr 17, 2024 · mLink is a driver that allows you to control robots with mBlock web version, a web-based programming platform for Arduino and other devices. Learn how to download …May 11, 2022 · After being successfully uploaded, the program can still run properly on CyberPi when it is disconnected from mBlock 5. 4. Example programs. You can understand the functions of mBot2 through example programs. On mBlock 5, choose Tutorials > Example Programs and click mBot2 to view example programs provided for mBot 2. 5. Tips for using mBlock 5 May 2, 2022 · It supports the real-time transcoding of blocks and code, allowing users to learn MicroPython and stage Python programming. As 2020 began, we found that the code editor embedded in mBlock 5 no longer met the increasingly widespread and professional educational needs despite its block-code transcoding, device programming, and stage …Sep 9, 2021 · 一、概述 在c和c的派生语言中，如Object-c和C++，块对象为你创建一个Ad Hoc功能体。在其他编程语言中，一个块对象有时候会称为“关闭（closure）”。在IOS中，我们称呼它为“块（blocks）”。（一）Block的功能 Block是一个匿名内敛的代码集合： - 就像一个函数具有不同类型的参数列表； - 其返回类Available with a capacity up to 20T and a lift up to 40 meters. CE and ISI Certified. Tested for 50% overload. Rugged British design proven over 25 years. Grade 80 load chain and zinc plated hand chain. Anti-corrosion powder coating on the unique cover design. Needle bearing supported load wheel. Precision machine case hardened alloy steel gears.5 days ago · Start Learning coding with mBlock. Create with mBlock online block-based editor Today. Learn AI and robotic programming with mBlock.1 day ago · The Federal Trade Commission, chaired by Lina M. Khan, is voting on Tuesday, April 23, on whether to issue a proposed final rule that would prevent most employers … Scan the QR code below with your smart device. Alternatively, you can search for mBlock in an app store. 2. Connect mBot to the mBlock app. (1) Enable Bluetooth on your smart device. (2) Power on mBot. (3) Tap to open the mBlock app. (4) Tap Coding, and tap + on the page that appears. (5) In the Sprite Library, choose Devices > mBot and tap √. Apr 17, 2024 · 跨设备在线编程 满足不同编程教学场景. (支持 Windows, Mac, Linux, Chromebook, iOS, Android 系统 ) 专注软硬结合的国产双模式编程软件，支持图形化编程 …Dec 15, 2023 · 其实想要通过triton实现一个batch的gemm非常简单，我们只需要将triton中原先例子里的tl.program_id (axis=0)，在这个program_id上再添加一个axis来表示batch维 … Join mBlock volunteer translator platform Crowdin and help localize mBlock. Makeblock's coding platform for beginners. Scratch 3.0 based. Supports coding for robots like Makeblock, Arduino with blocks or Python, learning AI & IoT. Check mBlock settings. There are a couple of settings that you should check for in order to be ready to code your mBot. Go to the Boards menu and check that mBot (mCore) is selected. It may have a check mark already next to it. If not, click mBot (mCore) to select. Then go to the Edit menu and select Arduino mode.Mar 19, 2020 · 什么是mBlock？. mBlock由深圳市创客工场科技有限公司基于开源Scaratch2.0软件研发出来。. 由于Scratch只能在电脑显示，跟外面物理世界是完全隔离开的，为了提高同学们的编程兴趣以及更加广泛地学习电子知识，我们完善了Scratch源代码，在这基础上添加了电子模块 ...Oct 19, 2021 · 使用块操作. 最通用的块操作在Eigen中是.block ()。. 它有两个版本，语法如下：. 请注意，在Eigen中，下标是从0开始的。. 两个版本的方法都能被用在固定大小和动态大小的matrices和arrays上。. 两个表达式在在语法上是等价的。. 唯一的不同是：如果块比较小 …May 2, 2022 · After the pairing is completed, the indicator on the Bluetooth dongle is normally on. 2. Open mBlock 5 and add your device from the device library. 3. Click “Connect” to connect your device. 4. In the dialog box that appears, click the “USB” tab, use the serial port automatically identified by mBlock 5, and click “Connect”. Note:Download mBlock Blockly－STEM education and enjoy it on your iPhone, iPad, and iPod touch. mBlock Blockly, renamed from the mBlock App, is a graphical programming software made by Makeblock for STEAM education. It introduces users to the world of robotic programming. Without any prior knowledge, users can start programming robots by …Oct 19, 2021 · 使用块操作. 最通用的块操作在Eigen中是.block ()。. 它有两个版本，语法如下：. 请注意，在Eigen中，下标是从0开始的。. 两个版本的方法都能被用在固定大小和动态大小的matrices和arrays上。. 两个表达式在在语法上是等价的。. 唯一的不同是：如果块比较小 …Sep 15, 2021 · mBlock Blockly is an app designed for robot programming. It provides: Intuitive block-based programming; Immersive game-based learning; Scientific system . Learn programming at home in just 10 minutes per day. Courses are designed as game levels by education professionals, making learning to program robots incredibly fun and …Apr 9, 2023 · An affordable housing project at 6810 Milwaukee St. — better known as M Block — has been declared a public nuisance and could risk losing its tax credit status, among other consequences. The Madison Police Department has responded to the property, part of The Meadowlands development, almost daily to address concerns …Mar 9, 2023 · mBot Mega is a programmable metal-structured robot. It has automatic gesture recognition, line following, and obstacle avoidance functions and supports block-based programming on mBlock, programming in Arduino IDE, and the Raspberry Pi interface. mBot Mega is equipped with four Mecanum wheels. Compared to regular wheels, the Mecanum wheels ... With mBlock, students can easily create games, animations and program robots by dragging and dropping blocks, or through writing Python. Moreover, mBlock comes with AI, IoT, data science features for cutting-edge computer science learning, making it the perfect helper for coding educators and learners.Dec 5, 2023 · Start Learning coding with mBlock. Create with mBlock online block-based editor Today. Learn AI and robotic programming with mBlock.Jul 11, 2017 · Imagine some great content here.Imagine some great content here.Imagine some great content here.Imagine some great content here.Imagine some great content here ...On My Block: Created by Eddie Gonzalez, Jeremy Haft, Lauren Iungerich. With Sierra Capri, Jason Genao, Brett Gray, Diego Tinoco. A coming-of-age story about four bright, street-savvy friends navigating their way through high school in gritty South Central Los Angeles, trying to get their friend out of a gang, and having friendship turn into something more.Apr 17, 2024 · Join mBlock volunteer translator platform Crowdin and help localize mBlock. Makeblock's coding platform for beginners. Scratch 3.0 based. Supports coding for robots like Makeblock, Arduino with blocks or Python, learning AI & IoT.Feb 29, 2024 · 1 子矩阵操作简介 子矩阵操作又称块操作，在矩阵运算中，子矩阵的提取和操作应用也十分广泛。因此Eigen中也提供了相关操作的方法。提取的子矩阵在操作过程中既可以用作左值也可以用作右值。2 块操作的一般使用方法 在Eigen中最基本的快操作运算是用.block()完成的。Oct 17, 2016 · mBlock扩展能为mBlock添加新的语句块。您可以用扩展 来支持您喜欢的Arduino传感器，或者Lego, LittleBits等 机器人和电子模块产品。每个人都可以为mBlock撰写扩展。这使得mBlock成为机 器人和电子创作的理想工具。mBlock的每个语句块都有两个模式由于此网站的设置，我们无法提供该页面的具体描述。With mBlock, students or kids can easily create games, animations, and program robots by dragging and dropping blocks. mBlock supports learning Scratch coding, Python, and Arduino C. Moreover, mBlock comes with AI and IoT features for cutting-edge computer science learning, making it the perfect helper for coding educators and learners. Join mBlock volunteer translator platform Crowdin and help localize mBlock. Makeblock's coding platform for beginners. Scratch 3.0 based. Supports coding for robots like Makeblock, Arduino with blocks or Python, learning AI & IoT. Moreover, mBlock comes with AI, IoT, data science features for cutting-edge computer science learning, making it the perfect helper for coding educators and learners. Features: - Graphical programming: The app allows users to create projects with the most popular graphical programming language and program robots to do things as they can imagine.May 2, 2022 · Add the Music extension. 1. Click the Sprites tab and click + extension at the bottom of the blocks area. 2. On the Extension center page that appears, click + Add at the bottom of Music. After being added, the extension …特点. mBlock 是一个编程工具 基于 Scratch 3.0 这使得编码变得容易且有趣。. mBlock 是一个基于 Scratch 的 Arduino 代码框架，允许您使用 Scratch 块创建项目。. 它易于使用且用途广泛，足以为您提供 Scratch 所提供的一切。. 您只需拖放块即可使用它进行编码。. 它会发 …5 days ago · 慧编程在线图形化编程 - 慧编程编程平台. extension. 10 move steps 15 turn degrees 15 turn degrees mouse-pointer go to 0 0 go to x: y: 1 mouse-pointer glide secs …On My Block: Created by Eddie Gonzalez, Jeremy Haft, Lauren Iungerich. With Sierra Capri, Jason Genao, Brett Gray, Diego Tinoco. A coming-of-age story about four bright, street-savvy friends navigating their way through high school in gritty South Central Los Angeles, trying to get their friend out of a gang, and having friendship turn into something more.Aug 11, 2020 · Start Learning Python with mBlock. Create with mBlock Python Code Online Editor Today. Learn AI and robotic programming with mBlock Python IDE. Join mBlock volunteer translator platform Crowdin and help localize mBlock. Makeblock's coding platform for beginners. Scratch 3.0 based. Supports coding for robots like Makeblock, Arduino with blocks or Python, learning AI & IoT. Join mBlock volunteer translator platform Crowdin and help localize mBlock. Makeblock's coding platform for beginners. Scratch 3.0 based. Supports coding for robots like Makeblock, Arduino with blocks or Python, learning AI & IoT. Apr 24, 2019 · Eigen 为 Matrix 、Array 和 Vector提供了块操作方法。块区域可以被用作 左值 和 右值。在Eigen中最常用的块操作函数是 .block() 。block() 方法的定义如下：block of size (p,q) ,starting at (i,j)。Nov 4, 2019 · M Bloc Space is a public space, creative hub, live house, and shop house that located in South Jakarta. This venue can be use for Bazaar, Community Event, Corporate Event (such as Conference, Seminar, and Meeting), Music Concert, and Shooting for any kind of events. Get your best experience here! Suggest edits to improve what we show. Makeblock offers a software solution to learn programming for all educational levels and on any device, trusted by 15 million users worldwide. Start your programming journey at Makeblock with unplugged and screen free coding and get familiar with the basics of computational thinking. Progress to block-based programming with mBlock 5. Mar 10, 2022 · About this app. mBlock Blockly, renamed from the mBlock App, is a graphical programming software made by Makeblock for STEAM education. It introduces users to the world of robotic programming. Without any prior knowledge, users can start programming robots by playing through games; then they can personalize their mBots with newly-learnt ... Apr 24, 2019 · Eigen 为 Matrix 、Array 和 Vector提供了块操作方法。块区域可以被用作 左值 和 右值。在Eigen中最常用的块操作函数是 .block() 。block() 方法的定义如下：block of size (p,q) ,starting at (i,j)。Sep 30, 2019 · 1 子矩阵操作简介 子矩阵操作又称块操作，在矩阵运算中，子矩阵的提取和操作应用也十分广泛。因此Eigen中也提供了相关操作的方法。提取的子矩阵在操作过程中既可以用作左值也可以用作右值。2 块操作的一般使用方法 在Eigen中最基本的快操作运算是用.block()完成的。Apr 17, 2023 · English. Login Signup Email . Password . Forgot password? Log in or login with Makeblock Global. Privacy Policy Terms of Use . Copyright © 2024 Makeblock All Rights ...Mar 12, 2021 · Programming Codey Rocky with mBlock 5. Connect your Codey Rocky to mBlock 5 and make it do all kinds of things as programmed. You can have Codey Rocky display LED animations, play instruments, chase lights, and more.Jan 25, 2024 · Start Learning coding with mBlock. Create with mBlock online block-based editor Today. Learn AI and robotic programming with mBlock.Dec 8, 2023 · Meet mBlock's best match. Makeblock STEM toys for educators and students. Learn more > < > Share coding ideas in global community. Share your coding projects and get to meet coders from around the world Featured coding projects. Featured coding studios. View more. Rich education resources
Download mBlock Blockly－STEM education and enjoy it on your iPhone, iPad, and iPod touch. mBlock Blockly, renamed from the mBlock App, is a graphical programming software made by Makeblock for STEAM education. It introduces users to the world of robotic programming. Without any prior knowledge, users can start programming robots by …. Windsor broker
3 days ago · At least 2 people were killed and six others were injured when gunfire erupted Saturday night during a block party in Memphis, Tennessee, authorities said. In a late …Nov 1, 2023 · mBlockは、ブロックベースのプログラミングソフトウェアで、初心者でも簡単にコーディングを学ぶことができます。mBlockは、PC版、オンライン版、モバイル版など、さまざまなデバイスや環境に対応しています。mBlockでAIやロボットのプログラミングを楽しく体験しましょう。Sep 24, 2019 · 下载 mLink，用 mBlock 网页端连接你的硬件世界 mLink 快速安装指南 硬件支持 蓝牙手柄, 程小奔, 光环板, mBot, 灵跃模组, 神经元, Ranger, Ultimate 2.0, Arduino Uno, Arduino Mega2560, Nova Pi, MegaPi Pro ...Apr 17, 2024 · Join mBlock volunteer translator platform Crowdin and help localize mBlock. Makeblock's coding platform for beginners. Scratch 3.0 based. Supports coding for robots like Makeblock, Arduino with blocks or Python, learning AI & IoT.With mBlock, students or kids can easily create games, animations, and program robots by dragging and dropping blocks. mBlock supports learning Scratch coding, Python, and Arduino C. Moreover, mBlock comes with AI and IoT features for cutting-edge computer science learning, making it the perfect helper for coding educators and learners.Jan 14, 2021 · I install mBlock 5 on my PC for the first time, but the computer housekeeper blocks the installation. What can I do? When this happens, choose to allow the operation this time. 7. When I use the 360 software housekeeper to uninstall mBlock 5, the uninstallation is blocked and a message is displayed, indicating that a program is …Apr 17, 2024 · 跨设备在线编程 满足不同编程教学场景. (支持 Windows, Mac, Linux, Chromebook, iOS, Android 系统 ) 专注软硬结合的国产双模式编程软件，支持图形化编程 …Apr 17, 2024 · Join mBlock volunteer translator platform Crowdin and help localize mBlock. Makeblock's coding platform for beginners. Scratch 3.0 based. Supports coding for robots like Makeblock, Arduino with blocks or Python, learning AI & IoT.5 days ago · mBlock Block-Based IDE- Coding for Beginners. extension. 10 move steps 15 turn degrees 15 turn degrees mouse-pointer go to 1 1 go to x: y: 1 mouse-pointer glide secs to 1 1 1 glide secs to x: y: 90 point in direction mouse-pointer point towards 10 change x by 0 set x to 10 change y by 0 set y to if on edge, bounce set rotation style left-right ...May 22, 2019 · 在Eigen中最基本的快操作运算是用 .block() 完成的。. 提取的子矩阵同样分为动态大小和固定大小。. 块操作. 构建动态大小子矩阵. 提取块大小为 (p,q),起始于 (i,j) matrix.block(i,j,p,q) 同样需要注意的是在Eigen中，索引是从0开始。. 所有的操作方法都可以适用于Array.同样 ... 1968: Taking the “M” Global. Don Canham, ’41, MA’48, became athletic director in 1968 and worked to turn U-M athletics — and the Block M — into a household brand through prolific marketing, licensing, and merchandising, the likes of which hadn’t been seen in collegiate sports. As the Block M signaled U-M’s worldwide recognition ... Apr 2, 2019 · mBlockMar 6, 2023 · 3. Connect mBot to the mBlock Blockly app. (1) Enable the Bluetooth function on the tablet. (2) Power on mBot. (3) Tap to open the mBlock Blockly app. (4) Tap the connection icon in the upper-right corner and place your smart device close to mBot. The app searches for devices that can be connected and connects to your mBot. With mBlock, students can easily create games, animations and program robots by dragging and dropping blocks, or through writing Python. Moreover, mBlock comes with AI, IoT, data science features for cutting-edge computer science learning, making it the perfect helper for coding educators and learners.mBlock is a free and open-source software supporting block-based coding and Python programming. mBlock has strong capabilities such as Artificial Intelligence and the Internet of Things supporting various coding projects. mBlock is available for multiple devices and systems such as Windows, Mac, Linux, iOS, and Android.Apr 28, 2020 · Mblock简单科普. 酷酷. mbloc是一款面向STEAM教育领域的积木式编程和代码编程软件，基于Scratch 3.0开发，并集成了Python代码输入，拓展了大量硬件接口。. … Getting mBlock. Goto www.mblock.cc. Click the big “Windows Download” button. Goto www.mblock.cc. Click “mBlock for mac” link. After that, open the .zip file, and drag the mBlock.app to your Applications folder. After downloaded, click on the downloaded file or double-click it in the windows explorer. Sep 30, 2019 · 1 子矩阵操作简介 子矩阵操作又称块操作，在矩阵运算中，子矩阵的提取和操作应用也十分广泛。因此Eigen中也提供了相关操作的方法。提取的子矩阵在操作过程中既可以用作左值也可以用作右值。2 块操作的一般使用方法 在Eigen中最基本的快操作运算是用.block()完成的。.