单选题
1分
To establish a communication channel for the telex service in the INMARSAT A terminal, you should fi...
To establish a communication channel for the telex service in the INMARSAT A terminal, you should first ______.
参考答案: B
参考解析: 在Inmarsat终端建立通信信道的电传服务,你应该先建立一个通信信道从SES,通过卫星,在CES在你的海洋区域