A.Hifix
B.Hyperfix
C.Trisponder
D.WGS84
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A.Aero light
B.Radar station
C.Radar transponder beacon
D.Radiobeacon
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
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
A.Light List
B.Notice to Mariners
C.On the chart
D.Coast Pilot
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
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That the scale of any part of a chart to be larger than the scale of the survey is（）.
Where would you obtain data on currents for areas of the world not covered by the National Ocean Service（）.
A chart with a scale of 1:80，000 would fall into the category of a（）.
On a Mercator chart，1 nautical mile is equal to（）.
Charts showing the coast of Mexico are produced by the United States（）.
The revision date of a chart is printed on which area of the chart? （）
The arrangement of charts in the catalogue is（）.
When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.
On chart，bearings to near objects should be used in preference to objects farther off，because（）.
（）is not a position-fixing system.