单选题Navtex transmitter identification character（）is used to identify the broadcasts which are to be accepted by the receiver and those are to be rejected.AB2BB1CMARDNNN
单选题
Navtex transmitter identification character（）is used to identify the broadcasts which are to be accepted by the receiver and those are to be rejected.
A
B2
B
B1
C
MAR
D
NNN
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