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05-15-2011, 03:31 AM
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#1
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柳柳_新浪博客
如何评课
一、什么叫评课?
评课就是对照课堂教学目标,对教师和学生在课堂教学中的活动及由这些活动所引起的变化进行价值判断.评课是 教学、教研工作过程中一项经常开展的活动,有同事之间互相学习、共同研讨评课;有学校领导诊断、检查的评课 ;有上级专家鉴定或评判的评课等等.评价的目的不是为了证明,而是这了改进.
二、评课的意义
评课能调动教师的教学积极性和主动性,帮助和指导教师不断总结教学经验,提高教育教学水平,提升教师的教育 教学素养;促进教师改进教学实践,使教师从多渠道获取信息,不断提高教学水平,转变教师的教育观念,促使教 师生动活泼地进行教学,在教学过程中逐渐形成自己独特的教学风格.
三、评课的原则
1.评课要坚持"以学生的发展为本",从学生全面发展的需要出发.
基础教育课程改革的核心理念是"以学生的发展为本".评课要从学生全面发展的需要出发,注重学生的学习状态 和情感体验,注重教学过程
乐高机器人走黑线设计
走黑线是时下机器人竞赛里面一个比较普及的任务,黑线是许多任务比赛里面经常会出现的,我想就这个黑线问题 跟大家来探讨一下子.
首先,单光感走黑线,这是一个比较简单的走黑线任务,也是最基本的,这里需要的是一个光感作为光值的分辨传 感器.根据黑线和空白地方的不同的光值来控制小车的不同走位.比如:小车的光感进入白色地带那么程序让小车 进入黑线,反之亦然.
小车沿黑线走
一、目标分析:
首先,分析一下你需要得到的结果:
1.速度加快;
2.沿黑线走.
二,小车必需的部件
1.马达
2.光传感器
三,如何提高各个部分的性能
1.在速度的提高上,可以采用的方法有:
1)使用齿轮或齿轮组加快速度;
2)使用较大的轮子也可获得较快的速度;
3)组合使用上面两
在伟大师父的帮助下,完成了基本的搭建.效果我还算比较满意,至少没散架,呵呵.
Fll 生命科技 满分视频
Fll 2010(生命科技)满分视频
固定层 模块最大化 载重结构 组装:底盘、模块、负载
5.1简介
现在该将马达与传感器,几何结构与传动装置这些组件结合起来,搭建一些更复杂的东西.制作机器人要有创意, 所以,不介绍什么通用规则与风格指南,因为根本就没法介绍.简要介绍一些搭建技巧,在设计自己的机器人或机 器人系统时可能会有所启发.
5.2固定层
学过积木标准,水平
4.5温度传感器
这是一个可选传感器,它不在机器套装里面提供,但是你可以很容易的通过LEGO在线购物或是家庭购物得到. 我们说,它只是一个传感器,你可以不用到它.尽管它可以为您带来一些乐趣,当你的饮料太热或是太凉时,机器 人可以提示你.温度传感器没有可以活动的部分,只是一个圆形的小铝筒(图4.9).根据你在程序中所使用的 图标,你可以获取到摄式温度和华氏温度.它可以测量-20℃至70℃之间的
4.1简介
马达通过齿轮和滑轮传动,可以让你搭建的机器人动起来,他们就如同是移动机器人腿和手臂的肌肉.同时,你还 可以使用传感器来装备你的机器人,它们就如同是机器人的眼睛、耳朵和手指.机器人套装中包含两种传感器:触 动传感器(两种)和光电传感器.在此主要是描述它们的特性,对于其它的传感器可以单独购买,如:角度传感器 和温度传感器.每一个设备都有其特定的作用,你将会因为它们的功能强大和
标签:
介绍制作乐高机器人的4个步骤
第一步:使用乐高RCX微型电脑设计机器人(硬件部分组装)
RCX微型电脑是由MIT开发的,是乐高机器人系统的核心部分.使用ROBOLAB软件及RCX,学生们可 以创造、搭建、编程真正的机器人,让它运动、做动作、甚至自己去"想".为RCX编写程序,通过各种输入( 传感器)与输出(马达与灯等)对周围环境做出响应.有多种传感器可供选择,如触动传感器、光电传感器、温度 传感器、角度传感器等.
第二步:在PC机上为机器人编写程序(软件部分让它如何动)
为RCX编写控制程序的ROBOLAB软件是一个简单、直观、易学的编程环境, tods shoes men,是以美国国家仪器公司的LabVIEW,流行于测量和自动化领域的图形化编程软件为基础开发的.ROBO LAB软件具有所有通用编程环境,如C/C++或VisualBasic等软件的功能.在计算机上为机器人编写好程序,程序一旦下载到RCX,机器 人就脱离计算机,根据程序指令,按照周围环境的输入信息来做出判断,决定下一步如何行动.完全智能化.当然 ,如果机器人未按预先设计的行动,即程序编写不
已转换为JPG图片,上传至相册,欢迎查看.
2010-2011 FLL项目介绍——生命科技 新浪BLOG意见反馈留言板 About Sina SINA English
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05-15-2011, 04:25 AM
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#2
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shutters
If you take a look at a house you possibly will not understand it, your eye are likely to be normally interested in your home windows. Many individuals dont find this unique until eventually they are often sad utilizing windowpane treatments, after which it that they see that these individuals cant stop investigating their own glass house windows, looking that can their own look at the planet was specific. Knowing you will want variation within screen treatments but you dont wish
shutters and you also dont wish drapes you might want to think of shutters.
Many individuals think about shutters plus sense they're traditional, even so it is not genuine in any respect. You will find generally shutters of most several sizes, parts, shades, and fashoins. Nowadays shutters are extremely well-known since according to the sources applied as well as the property they may be devote, they might make property far more everyday and comfy or perhaps they can make the property a great deal more elegant. Who does have got actually regarded as which shutters may be consequently flexible?
Shutters are a fantastic assortment when you would certainly like to enable generally in most delicate. Glass windows perform nearly all efficiently method of getting mild for the property, remembering these are an economical method to obtain mild. An individual dont have to transition a new exchange as well as commit a statement, basically start your own personal
shutters and also enable the illumination throughout. Many shutters can help you manage the amount of moderate you want to permit inside, also is an excellent characteristic.
Despite the fact that shutters are a entertaining approach to permit in light, also they are the best way to attain level of privacy. If you notice that shades together with drapes aren't your way of life however you on the other hand wish to just be sure you've got your own personal personal privacy at your residence, shutters
are a great variety. Several shutters might be closed fully and that means you are unable to observe inside of as well as outside of these. This means you will be able to safely and securely along with correctly invest shutters even the most personal aspects of your home, just like the toilet and also place.
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05-15-2011, 04:27 AM
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#3
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shutters
If you take a look at a home may very well not be aware of it, your eye are generally usually interested in your home glass windows. Many individuals dont discover this specific right up until they may be unsatisfied utilizing home window therapies, and that they can identify that these folks cant cease checking out their particular wine glass home windows, looking that may their own go through the globe had been unique. Knowing you will want variation throughout eye-port coverings nevertheless, you dont need
shutters and you also dont want curtains you may want to take into consideration shutters.
A lot of people take into consideration shutters as well as feel these are classic, on the other hand this is simply not authentic in any respect. You can find usually shutters of various dimensions, components, hues, and also fashoins. Today shutters are very well-known since good resources employed along with the residence they're devote, they are able to increase the risk for residence a lot more everyday and cozy or perhaps they could make the property a lot more classy. Who does get at any time regarded as that will shutters could be consequently accommodating?
Shutters are a fantastic assortment should you would certainly want to let in most delicate. Windows perform the majority of successfully method of getting delicate to the residence, not forgetting they are an inexpensive supply of light. A person dont must switch over the exchange or perhaps commit a payment, just open up your personal shutters and also allow the lights all through. Many shutters will allow you to manage simply how much mild you want to enable on the inside, also is an incredible characteristic.
Although shutters certainly are a fun approach to permit learn how to, they're also a powerful way to accomplish comfort. Possibly that will blinds together with window treatments are not your way of life however, you nonetheless wish to just make sure you've got your own personal level of privacy at home,
shutters
are a great variety. Numerous shutters might be shut completely which means you can not notice inside of or perhaps outside of all of them. This means you will be capable of securely and perfectly invest shutters also just about the most individual areas of your own home, like the restroom along with room.
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05-15-2011, 04:28 AM
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#4
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shutters
Whenever you check out a house may very well not be aware of it, your eye are likely to be usually fascinated by your home house windows. Many people dont detect this type of till they may be unsatisfied using windowpane therapies, after which it that they can observe that these folks cant end investigating their own goblet house windows, wishing that may their consider the planet was unique. Once you know you want difference inside windowpane coverings however, you dont desire shutters and you dont desire curtains you may want to consider shutters.
Lots of people take into consideration shutters and also experience they may be traditional, even so this may not be real in any respect. You can find usually shutters of all several sizes, parts, colours, along with fashoins. Currently shutters are incredibly well-known because based on the assets utilized and also the residence they are devote, they might make home a lot more informal and comfortable or perhaps they are able to increase the risk for home a lot more stylish. Who have at any time regarded as which shutters may be consequently versatile?
Shutters are the ideal variety when you would certainly prefer to let in many mild. Windows perform the majority of effectively availability of gentle for your home, keeping in mind they may be a cheap supply of lighting. You dont ought to transition the trade or perhaps invest any payment, merely throw open your own shutters in addition to enable the lights throughout. Several shutters will allow you to manage the amount moderate you want to enable inside, which a great attribute.
Though shutters can be a entertaining approach to allow see how to avoid, fortunately they are a terrific way to complete level of privacy. Possibly that will shades together with drapes are certainly not your way of life but you on the other hand desire to just make sure you've got your personal personal privacy in your house, shutters
are a good assortment. Several shutters might be shut totally so you can't see within or perhaps over and above them all. Meaning you will be capable of securely along with correctly invest shutters also one of the most personal elements of your own home, just like the bathroom along with space.
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05-15-2011, 04:29 AM
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#5
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05-15-2011, 04:29 AM
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#6
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shutters
When you check out a house you possibly will not understand it, your skills are generally usually fascinated with the house house windows. A lot of people dont identify this specific until they may be unhappy utilizing eye-port therapies, after which they note that these people cant quit checking out their unique glass home windows, wishing that can their particular look at the world has been unique. Once you learn you will need variation throughout home window treatments nevertheless, you dont wish
shutters and also you dont wish window treatments you may want to take into consideration shutters.
Many individuals consider shutters and in addition really feel they're traditional, nonetheless it is not genuine in any respect. You can find generally shutters of most different styles, factors, colors, as well as fashoins. Currently shutters are incredibly well-known considering that in line with the resources employed along with the house these are dedicate, they can increase the risk for house far more everyday and cozy or possibly they might increase the risk for residence far more sophisticated. Who would possess actually considered that shutters could possibly be consequently adaptable?
Shutters are a wonderful assortment should you would just love to permit for most delicate. Home windows work most successfully method of getting gentle for that house, not forgetting these are an inexpensive supply of lighting. An individual dont need to switch over the change or even devote the invoice, basically throw open your individual shutters in addition to enable the illumination all through. Many shutters will allow you to manage just how much moderate you need to allow on the inside, which a great trait.
Despite the fact that shutters are a entertaining strategy to let in light, fortunately they are a powerful way to complete privateness. You may notice which shades along with curtains are not yourself but you on the other hand wish to just be sure you've got your own personal privacy in your house,
shutters
are a good variety. Several shutters could be shut down completely and that means you can't see inside of or perhaps beyond all of them. This implies that you will be in a position to securely along with correctly devote shutters even just about the most individual areas of your own home, like the rest room and also space.
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05-15-2011, 04:33 AM
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#7
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05-15-2011, 05:36 AM
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#8
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Brigadier General
Join Date: Feb 2011
Posts: 882
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Qia expanse
Qia expanse to wow gold the European kids into this civilize. Because it is all the way to a, please pay specific know buy wow gold for this beau. His hometown famous, personage production to Italia, but wow power leveling also exhibit fortified workers and the unafraid soldiers, and is one of our scenic wow accounts region. where there is plant, there are mountains, residents, colourful with talent and bravery. please wow gold honey plow the shaver.
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