A.temperature
B.density
C.deflection
D.speed
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A.change from smooth curves within the air mass to sharp bends at the front
B.change from sharp bends within the air mass to smooth curves at the front
C.pass smoothly across the front with no change
D.become closer together at the front and pass through in straight lines
A.Admiralty Chart
B.Admiralty Light list
C.Admiralty List of Radio Signals
D.Admiralty Notices to Mariners
A.at high vessel speeds
B.at low vessel speeds
C.in shallow water
D.in deep water
A.Vapor pressure
B.Dew point
C.Barometric pressure
D.Absolute humidity
A.spring
B.later winter
C.autumn
D.end of summer
最新試題
The ISM code is part of（）.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
ECDIS must be able to perform all of the following EXCEPT（）.
Bales close to the deckhead should be covered to prevent（）.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
The helm command PORT TWENTY means（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
（）is on the panel of radar.
When the wave period and the apparent rolling period are the same（）.