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
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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
A.newly edition with up to date correction and in reasonable prices
B.the current edition and incorporate the last Notices to Mariners correction
C.the current edition and incorporate the latest Notices to Mariners correction at the time of sale
D.brand-new one with up to date correction and clean writing
A.C
B.Cl
C.Co
D.c
A.Surging
B.Spilling
C.Plunging
D.Converging
最新試題
The soundings on the imperial chart are measured in（）.
Which information is found in the chart title（）.
Where would you obtain data on currents for areas of the world not covered by the National Ocean Service（）.
Charts showing the coast of Mexico are produced by the United States（）.
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 only cylindrical chart projection widely used for navigation is the （）.
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（）.
What information is NOT found in the chart title? （）
Which chart symbol indicates the bottom is clay（）.
Every chart is liable to be incomplete（）.