Which statement is true concerning a v

Which statement is true concerning a vessel equipped with operational radar?（）.

AThe Master of the vessel must be on the bridge when the radar is in use
BThe radar equipment is only required to be used in restricted visibility
CThe use of a radar excuses a vessel from the need of a look-out
DThis equipment must be used to obtain early warning of risk of collisio

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分类：雷达及ARPA的使用题库

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