单选题船舶电台执照应注明（）.A电台名称及呼号B注册国家及公司名称C电台开放的业务及种类DD.B.C均是
单选题
船舶电台执照应注明（）.
A
电台名称及呼号
B
注册国家及公司名称
C
电台开放的业务及种类
D
D.B.C均是
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