单项选择题
When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.
A.the meridian through the object of the bearing
B.the meridian through the ship's position
C.the meridian midway between the ship and the object
D.any meridian
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相关考题
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单项选择题
When navigating in high latitudes and using a chart based on a Lambert conformal projection，（）.
A.a straight line drawn on the chart approximates a great circle
B.the chart should not be used outside of the standard parallels
C.the course angle is measured at the mid-longitude of the track line
D.distance cannot be measured directly from the chart -
单项选择题
When a buoy is in position only during a certain period of the year，where may the dates when the buoy is in position be found?（）
A.Light List
B.Notice to Mariners
C.On the chart
D.Coast Pilot -
单项选择题
What is NOT an advantage of the rhumb line track over a great circle track? （）
A.Easily plotted on a Mercator chart
B.Negligible increase in distance on east-west courses near the equator
C.Does not require constant course changes
D.Plots as a straight line on Lambert conformal charts
