A.falls
B.rises
C.is steady
D.is unreliable
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A.true directions
B.compass error
C.deviation
D.magnetic directions
A.the designed area
B.the designated area
C.the indicated area
D.all area over the world
A.Notices to Mariners
B.Sailing Directions
C.List of Lights and Signals
D.Guide to Port Entries
A.GL WNG
B.GEN SYN
C.STM WNG
D.TY WNG
A.GALE WARNING
B.24 HOURS FORECAST
C.GENERAL SITUATION
D.TROPICAL CYCLONE WARNING
最新試題
On a nautical chart，the inner ring of a compass rose indicates（）.
In revised editions of Admiralty charts the（）are corrected first．
Weekly Notices are dated for the（）appropriate to the week they are issued on the UKHO website.
The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.
Which would influence a magnetic compass（）.
The Daily Memorandum contains information on（）.
On the approach of a warm front the barometric pressure usually（）.
LOW ABOUT 300 MILES SOUTHWEST OF LISBON 1004 MOVING SLWLY SOUTHEAST COMMA FILLING 1006 BY MIDNIGHT.This phrase is likely to be under the heading of（）.
What is the most important source of information to be used in correcting charts and keeping them up to date（）.
Steam smoke will occur when（）.