A.nominal range
B.luminous range
C.geographical range
D.visible range
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A.A storm surge
B.A high pressure area
C.The jet stream
D.A cold front
A.Extremely cold air from shore passes over warmer water
B.Warm dry air from shore passes over cooler water
C.Cold ocean water evaporates into warm air
D.Cool rain passes through a warm air mass
A.Reprints of Radio Navigational Warnings
B.Amendments to Admiralty Sailing Directions
C.Amendments to Admiralty Lists of Lights and Fog Signals
D.Amendments to Admiralty List of Radio Signals
A.Chart Number only
B.Chart Number + Previous NM Number/Year
C.Chart Number + Between Previous and Present Dates
D.Cumulative Number
A.as soon as possible
B.prior to its publication
C.in advance of any possible accident
D.by means of other than airmails
最新試題
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（）.
Steam smoke will occur when（）.
Section V of the ADMIRALTY NOTICES TO MARINERS is（）.
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
Which is the correct procedure for anchoring a small to medium size vessel in deep water （）.
In revised editions of Admiralty charts the（）are corrected first．
On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a（）.
（）is the system for the broadcast and automatic reception of maritime safety information by means of narrow-band direct-printing telegraphy.
Weekly Notices are dated for the（）appropriate to the week they are issued on the UKHO website.
Information for updating nautical charts is primarily found in the（）.