A.broadcast
B.broadcasted
C.are broadcast
D.are broadcasted
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A.SafetyNET
B.NAVTEX
C.NAVAREA
D.VHF R/T
A.conduction fog
B.radiation fog
C.frontal fog
D.advection fog
A.active weather disturbances such as hurricanes or tropical storms
B.the latest navigational warnings
C.scheduled vessel arrivals and departures for a 24-hour period
D.water levels at river ports where run-off affects tidal heights
A.Overhead power lines
B.Louisiana-Mississippi ferry crossings
C.Two railroad trestles
D.Two submerged oil pipelines
A.fish trap area
B.pipeline
C.demarcation line
D.cable area
最新試題
What is the significance of the broken magenta lines which roughly parallel the shore between Roanoke Point and Orient Point on Long Island（）.
Why is a warning sign displayed at the gangway or access point of a barge during cargo transfer（）.
On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a（）.
Navigational warnings and weather bulletins for shipping（）from Singapore Radio.
The best estimate of the wind direction at sea level can be obtained from observing the direction of the（）.
In revised editions of Admiralty charts the（）are corrected first．
The range of a light on Admiralty Charts is normally the（）.
（）is the system for the broadcast and automatic reception of maritime safety information by means of narrow-band direct-printing telegraphy.
Section V of the ADMIRALTY NOTICES TO MARINERS is（）.
What is the most important source of information to be used in correcting charts and keeping them up to date（）.