单项选择题

An electronic chart system meeting IMO specifications for complying with chart carrying requirements is an（）.

A.E-Navigation
B.Integrated Bridge system
C.Electronic Chart System
D.Electronic Chart Display and Information System

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单项选择题

The distance traveled by the center of gravity perpendicular to the original course is（）.

A.transfer
B.advance
C.kick
D.tactical diameter

单项选择题

The rule state that a vessel overtaking another vessel is relieved of her duty to keep clear when（）.

A.she is forward of the other vessel’s beam
B.the overtaking situation become crossing situation
C.She is past and clear of the other vessel
D.the other vessel is no longer in sight