They perform no other function, such as the amplification, regeneration or modification of a signal.

它们不具备诸如对信号进行放大、再生或修正等其他功能。

youdao

They perform no other function, such as the amplification, regeneration or modification of a signal.

它们不具备诸如对信号进行放大、再生或修正等其他功能。

youdao