单选题When the power of SART is on, it will（）.Atransmit distress signalBsend response signalCtransmit the signal of ship’s positionDbe started by X-band radar
单选题
When the power of SART is on, it will（）.
A
transmit distress signal
B
send response signal
C
transmit the signal of ship’s position
D
be started by X-band radar
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