题目内容：
天线是“发射或接收系统的一部分，为发射或接收电磁波而设计”，所以收天线和发天线不同的，不宜在同一根天线上实现收发共用。（）A．正确
B．错误
参考答案：【答案仅供学习，请勿对照自行用药等】
判断题：天线是“发射或接收系统的一部分，为发射或接收电磁波而设计”，所以收天线和发天线不同的，不宜在同一根天线上实现收发共用。（）
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A．正确
B．错误
A．正确
B．错误
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