单项选择题
A latitude line will be obtained by observing a body （）.
A.on the prime vertical
B.on the celestial horizon
C.at lower transit
D.on the Greenwich meridian
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相关考题
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单项选择题
A lashing used to secure two barges side by side，lashed in an "X" fashion，is called a （）.
A.quarter line
B.back line
C.peg line
D.jockey line -
单项选择题
A lashing used to secure two barges side by side，lashed in an "X" fashion，is called a （）.
A.scissor wire
B.towing wire
C.breast wire
D.cross wire -
单项选择题
Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? （）.
A.List of Lights
B.Coast Pilot
C.Sailing Directions
D.List of Radiobeacons
