A.warm front at night
B.low pressure area
C.anticyclone
D.lack of frontal activity
您可能感興趣的試卷
你可能感興趣的試題
A.in
B.on
C.with
D.by
A.is decreased
B.decreased
C.decreases
D.are decreased
A.vertical distance from the tidal datum to the ocean bottom plus the height of the tide
B.vertical distance from the tidal datum to the ocean bottom
C.average height of water over a specified period of time
D.average height of all low waters at a place
A.capital letters
B.italics
C.boldface print
D.underlined letters
A.conspicuous
B.inconspicuous
C.a government facility or station
D.a radio transmitter
最新試題
The height of a tide can be increased by（）.
The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a（）.
What is the most important source of information to be used in correcting charts and keeping them up to date（）.
For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?（）
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．
Weekly Notices are dated for the（）appropriate to the week they are issued on the UKHO website.
The Daily Memorandum contains information on（）.
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
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（）.