题海让大学四年没有难题
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单选题 Your ARPA has two guard zones, what is the purpose of the inner guard zone

A. Alert the watch officer that a vessel is approaching the preset CPA limit

B. Warn of small targets that are initially detected closer than the outer guard zone

C. Guard against target loss during critical maneuvering situations

D. Sound an alarm for targets first detected within the zone

航海英语(山东联盟)课程封面

学科:航海英语(山东联盟)

时间:2023-05-09 22:35:40

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