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
When navigating in high latitudes and using a chart based on a Lambert conformal projection,().
The soundings on the chart are based on the depth of water available at ().
On chart,bearings to near objects should be used in preference to objects farther off,because().
What information is NOT found in the chart title? ()
The only cylindrical chart projection widely used for navigation is the ().
A chart position enclosed by a square is a(n)().
What information is found in the chart title? ()
Charts showing the coast of Mexico are produced by the United States().
Which chart symbol indicates the bottom is clay().
The shoreline on charts generally represents the mean().