单项选择题
On-scene communications will normally take place between（）.
A.ship in distress and assisting units
B.NCS and RCC
C.RCCs and „0n-scene commander‟ or “co-ordinator surface search”
D.ship in distress and coast station
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相关考题
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单项选择题
（）are used for distress alerting as a rule.
A.SES/DSC/EPIRB
B.SART/radiotelephone
C.COSPAS-SARSAT
D.both B and C -
单项选择题
Mariners can use DSC for（）.
A.general communication
B.distress alerting and safety calling
C.receive MSI
D.both B and C -
单项选择题
Equipment requirement vary according to（）.
A.Ship owner‟s will
B.economic condition
C.the area in which the ship operates
D.different orders of all countries
