A.true directions
B.compass error
C.deviation
D.magnetic directions
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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
A.Notice to Mariners
B.Coast Pilots
C.nautical chart catalogs
D.Sailing Directions
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RYUKYU S TO SE 6 BEC 4－5.ISOL SHWRS.SEA 3 M BEC 2 M.SWELL SE 3－4M.This description is likely to be under the heading of（）.
Section V of the ADMIRALTY NOTICES TO MARINERS is（）.
The fog most commonly encountered at sea is called（）.
（）is the system for the broadcast and automatic reception of maritime safety information by means of narrow-band direct-printing telegraphy.
Vessels should not anchor or trawl in the vicinity of pipelines and are（）in the pipeline area shown on the chart.
For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?（）
Periodic publications notifying changes in，or additions to，previously published navigational data are（）.
On a nautical chart，the inner ring of a compass rose indicates（）.
What is the most important source of information to be used in correcting charts and keeping them up to date（）.
Weekly NMs are available without subscription from appointed（）.