它的原理是先由信号发生器产生一个特定的频率信号的翻译：Its principle is to first by the frequency of the signal generator to produce a specific signal 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Its principle is the first signal generator to generate a specific frequency signal

Its principle is to first by the frequency of the signal generator to produce a specific signal

Its principle first produces a specific frequency code by the signal generating device

It is the principle behind the signal generator produces a specific frequency signal

Its principle is to first by the frequency of the signal generator to produce a specific signal