单项选择题
A sextant having an index error that is off the arc has a（）.
A.positive correction
B.dip error
C.negative correction
D.semidiameter error
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相关考题
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单项选择题
A DECK，SPACE，AREA，ETC.，NOT PERMITTED TO BE ENTERED FOR SAFETY REASONS defines（）.
A.Restricted area
B.Closed area
C.Prohibited place
D.Forbidden place -
单项选择题
The Vessel is fully fitted with cargo（）.
A.beats
B.beasts
C.bacons
D.battens
