单选题采用通信长短进行计费的设备是:()A标准A站和C站B标准B站和NBDPCB站和VHF/DSCDA站和HF/DSC
单选题
采用通信长短进行计费的设备是:()
A
标准A站和C站
B
标准B站和NBDP
C
B站和VHF/DSC
D
A站和HF/DSC
参考解析
解析:
暂无解析
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