A.deviation
B.annual rate of variation change
C.precession
D.compass error
您可能感興趣的試卷
你可能感興趣的試題
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
A.you should stay to the north or east of the buoy
B.you should stay to the west or south of the buoy
C.the buoy is a major lighted buoy
D.nothing special for navigational purposes
A.magnetic equator
B.magnetic longitude reference line
C.points where there is no variation
D.points where there is no annual change in variation
最新試題
The survey information upon which a chart is based is found （）.
When navigating in high latitudes and using a chart based on a Lambert conformal projection，（）.
（）is not a position-fixing system.
The short-long dashed，magenta lines parallel to York River Entrance Channel mark（）．
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（）.
That the scale of any part of a chart to be larger than the scale of the survey is（）.
On chart，bearings to near objects should be used in preference to objects farther off，because（）.
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 revision date of a chart is printed on which area of the chart? （）