A.DR plot
B.track line
C.heading
D.estimated course
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A.Lambert conformal
B.Mercator
C.azimuthal
D.gnomonic
A.total number of observations
B.average wind force on the Beaufort scale
C.average wind force in knots
D.percentage of calms
A.equal to the longitude expressed in time units
B.about 16 minutes
C.the difference between the GHA of mean sun and the first point of Aries
D.15°of arc
A.radar conspicuous beacon
B.circular radiobeacon
C.radar transponder beacon
D.radar calibration beacon
A.deviation
B.annual rate of variation change
C.precession
D.compass error
最新試題
Which information is found in the chart title().
Which chart symbol indicates the bottom is clay().
When using a Lambert conformal chart in high latitudes,angles such as bearings are measured in reference to ().
The maximum difference between mean time and apparent time is ().
The revision date of a chart is printed on which area of the chart? ()
Particular care is needed when navigating in the vicinity of()as very few of these features have been fully surveyed to modern standards to determine their correct position,full extent,or the least depth over them.
The arrangement of charts in the catalogue is().
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().
The only cylindrical chart projection widely used for navigation is the ().
What information is NOT found in the chart title? ()