A.Chart No.1
B.Catalog of Charts
C.IMO Practical Navigator
D.IMO Light List
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A.points of equal variation
B.points of zero variation
C.the magnetic latitude
D.magnetic dip
A.magnetic latitudes
B.magnetic declinations
C.dip
D.isogonic lines
A.complete and often very poor surveys
B.correct and often very good surveys
C.inadequate and often very old surveys
D.adequate and present surveys
A.equipment's
B.tools
C.apparatus
D.aids
A.with
B.in
C.by
D.to
最新試題
On chart，bearings to near objects should be used in preference to objects farther off，because（）.
A chart with a scale of 1:80，000 would fall into the category of a（）.
Which information is found in the chart title（）.
The numeral in the center of a wind rose circle on a pilot chart indicates the （）.
Every chart is liable to be incomplete（）.
What information is found in the chart title? （）
The path that a vessel is expected to follow，represented on a chart by a line drawn from the point of departure to the point of arrival，is the（）.
That the scale of any part of a chart to be larger than the scale of the survey is（）.
The only cylindrical chart projection widely used for navigation is the （）.
Where would you obtain data on currents for areas of the world not covered by the National Ocean Service（）.