搜索 - 科创

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我的确发火了。一直都没找到刻玻璃的工具。普通车刀老是把玻璃压裂。能买到的金钢笔前端都是平的，跟本无法使用。现在PCBN表示在玻璃上刻画毫无压力，手感流畅。请无视背景及手。我有咬手指的习惯

这是一个rfid设备的虚拟器(emulator)，可以将自己虚拟成任意一个设定的rfid卡或者读卡器，和卡或者读卡器通信，并且记录通信过程（数据）。本来原来在这个网站上有卖的，现在没有了，但是设计图...

引用 PCBBOY1991:不懂你的回复啥意思。。。。。。。。。。电压型变换器电压波形为矩形波电流波形近似正弦波，这与E类是相符的

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