你可能感興趣的試題

單項(xiàng)選擇題

A line of position is（）.

A.a line connecting two charted objects
B.a line on some point of which the vessel may be presumed to be located
C.the position of your vessel
D.not used in a running fix

單項(xiàng)選擇題

A line connecting all possible positions of your vessel at any given time is a（）.

A.longitude line
B.latitude line
C.line of position
D.fix