In the same time, we study the model of transmitter and receiver.

同时还研究了其发送与接收机模型。

youdao

After hanging up the receiver, I lost myself in my study.

挂上电话后，书房的我神不守舍。

youdao

After hanging up the receiver, I lost myself in my study.

挂上电话后，书房的我神不守舍。

youdao