All VHF marine band radios operate in the simplex mode，which means that______．A.only one p

All VHF marine band radios operate in the simplex mode，which means that______．

A.only one person may talk at a time

B.only two persons may talk at the same time

C.the radio only transmits

D.the radio only receives

提问人：网友wind2218 发布时间：2022-01-06

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