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 numeral in the center of a wind rose circle on a pilot chart indicates the （）.
The only cylindrical chart projection widely used for navigation is the （）.
The shoreline on charts generally represents the mean（）.
When a buoy is in position only during a certain period of the year，where may the dates when the buoy is in position be found?（）
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? （）
The short-long dashed magenta line around Gardiners Island marks（）.
On a Mercator chart，1 nautical mile is equal to（）.
The revision date of a chart is printed on which area of the chart? （）
The maximum difference between mean time and apparent time is （）.