单项选择题
A chart with a natural scale of 1:160，000 is classified as a（）.
A.sailing chart
B.general chart
C.coast chart
D.harbor chart
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相关考题
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单项选择题
A chart projection depicting the poles and a small area on either side of a connecting meridian，that is sometimes used for star charts，is the（）.
A.azimuthal gnomonic projection
B.Lambert conformal projection
C.transverse Mercator projection
D.polyconic projection -
单项选择题
A chart position enclosed by a square is a(n)（）.
A.fix
B.estimated position
C.dead reckoning position
D.running fix -
单项选择题
A change of a documented vessel’s name can only be made by the（）.
A.American Bureau of Shipping
B.Commissioner of Customs
C.Treasury Department
D.Coast Guard
