调制解调器的已调信号通过VHF通信系统进行二次调制，通过VHF通信系统的信道实现数据通信。
Modem signals will be transferred through the VHF communications system has a second modulation, through VHF communication system access to data communications.
调制解调器的已调信号通过VHF通信系统进行二次调制，通过VHF通信系统的信道实现数据通信。
Modem signals will be transferred through the VHF communications system has a second modulation, through VHF communication system access to data communications.
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