A.with
B.in
C.by
D.to
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A.mean low water
B.mean lower low water
C.mean high water
D.mean high water springs
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.fix
B.estimated position
C.dead reckoning position
D.running fix
A.sailing chart
B.general chart
C.coastal chart
D.harbor chart
A.very rare
B.common
C.often
D.reasonable
A.Lambert conformal
B.Mercator
C.azimuthal
D.gnomonic
A.A regulated anchorage
B.Fish trap areas
C.An area closed to the public
D.Underwater cables
A.National Geospatial-Intelligence Agency
B.Coast Guard
C.Naval Observatory
D.National Ocean Service
A.Azimuthal gnomonic projection
B.Lambert conformal projection
C.Transverse Mercator projection
D.Polyconic projection
A.A curved line drawn on a Mercator Chart
B.A course line that inscribes a loxodromic curve
C.The shortest distance between any two points on the earth
D.The smallest circle that can be drawn on the face of a sphere
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 （）.
The maximum difference between mean time and apparent time is （）.
On a Mercator chart，1 nautical mile is equal to（）.
What is NOT an advantage of the rhumb line track over a great circle track? （）
The short-long dashed，magenta lines parallel to York River Entrance Channel mark（）．
A chart position enclosed by a square is a（n）（）.
The arrangement of charts in the catalogue is（）.
The revision date of a chart is printed on which area of the chart? （）
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（）.