A.Gray lines on the uppermost inset chart
B.Red lines on the main body of the chart
C.In parenthesis on the lines of equal magnetic variation
D.Annual rate of change is not shown
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A.Chart No.1
B.Catalog of Charts
C.IMO Practical Navigator
D.IMO Light List
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
最新試題
What information is NOT found in the chart title? （）
What defines a great circle? （）
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（）.
Charts showing the coast of Mexico are produced by the United States（）.
That the scale of any part of a chart to be larger than the scale of the survey is（）.
（）is not a position-fixing system.
Which information does the outer ring of a compass rose on a nautical chart provide（）.
When navigating in high latitudes and using a chart based on a Lambert conformal projection，（）.
Where would you obtain data on currents for areas of the world not covered by the National Ocean Service（）.
On a Mercator chart，1 nautical mile is equal to（）.