规避这一问题的传统方法是让以相同频率通讯的无线电信号按顺序轮替传输，从而输出的信号就不会干涉输入的信号。
The traditional way around the problem is to have radios communicating on the same frequency take turns transmitting so the outgoing signal doesn't interfere with the incoming.
它输入的是电信号，输出的是线、角位移量。
It is the input signal, the output is the line, angular displacement.
回波处理电路用于检测由人体组织反射的超声信息，对转换成的电信号进行解调输出。
Receiving circuits detect the wave reflected by human tissue and output electric signal that has been demodulated.
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