题目内容

电感耦合式阅读器的射频前端采用（）谐振电路，也称为（）谐振电路。

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如果采用奇检验，发送端发送的字符编码（含检验位）中，1的个数为（）。

要纠正1个随机错误，则要求最小'汉明码距为（）。

37._____ refer(s) to devices on networks that connect computers to each other.

A.Packet sniffers
B.Routers
C.Adware
D.Modems

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A.Adware
B.Spyware
C.Firmware
D.Cookie