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无线激光笔又称为电子教鞭(英文名为：Laser pointer with remote control), 它是专门为计算机及多媒体投影机设计的一款新型专利电子产品，在欧美等发达国家的使用已经很普遍了, 多媒体教学中无线教鞭的使用已显得越来越有必要，尤其是频繁地用于幻灯片播放。-Wireless Laser Pointer, also known as e-Pointer (English name: Laser pointer with remote control), it is speci
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A multimeter or a multitester, also known as a VOM (Volt-Ohm meter), is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter may include features such as the ability to measure voltage, curr
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方便快捷的电子教鞭，后台运行，全快捷键操作。
按住Ctrl画直线
按住Shift画方框
按住Ctrl+Shift画圆
按住Ctrl+1画圆角方框
按一下Ctrl+Caps Lock可进行文字输入
Ctrl+Tab在黑板、白板、正常之间互相切换
鼠标右键可选取区域，并可将选取区域复制到剪贴板或保存至文件-The convenient electronic pointer, running in the background, the full shortcut keys
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MSP430f14x 电子罗盘设计，用12864显示 .有模拟指针显示-MSP430f14x electronic compass design, with 12864 display analog pointer display
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本设计电阻测量是利用A/D转换原理,将被测模拟量转换成数字量,并用数字方式显示测量结果的电子测量仪表。通常测量电阻都采用大规模的A/D转换集成电路，测量精度高，读数方便，在体积、重量、耗电、稳定性及可靠性等方面性能指标均明显优于指针式万用表。-This design resistance measurement is the use of A/D conversion principle, to analog conversion to digital quantity being measur
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A multimeter or a multitester, also known as a VOM (Volt-Ohm meter or Volt-Ohm-milliammeter ), is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter would include basic features such as th
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