A.Developed low
B.Developing low
C.Being developed low
D.Low to be developed
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A.SHLW
B.SCTD
C.OBS
D.SW
A.Traffic Separation Schemes
B.Recommended tracks
C.Precautionary areas
D.Inshore traffic zones
A.Hurricane
B.Breeze
C.Storm
D.Gale
最新試題
Weather forecast messages are usually（）.
Of the following，（）is not a wind．
Widely spaced isobars on a weather map indicate（）.
What benefit is a weather bulletin to a mariner（）.
Weather information is available from（）.
The Beaufort scale is used to estimate the（）.
The eye of a hurricane is surrounded by dense black cumulonimbus clouds which are called the（）.
Weather observations provided by each weather station include all of the following except（）.
The AMVER system requires（）.
Mechanical lifting of air by the upslope slant of the terrain is called（）.