Gain control circuit, receiver and transmitter, radio communication device and system.
增益控制电路，接收器和发送器，无线通信装置和系统。
The autodyne Doppler radio fuze transmitter-receiver is a important device of fuze remote control setting.
自差式多普勒无线电引信发射和接收装置是引信遥控装定的重要内容。
The autodyne Doppler radio fuze transmitter-receiver is a important device of fuze remote control setting.
自差式多普勒无线电引信发射和接收装置是引信遥控装定的重要内容。
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