A.distance a wave travels between formation and decay
B.stretch of water over which a wave-forming wind blows
C.time in seconds required for two crests to pass a given point
D.measurement of a wave's steepness
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A.Upwind
B.Downwind
C.Crosswind
D.Downcurrent
A.short confused swells
B.gradually increasing white clouds (mare's tails)
C.pumping barometer
D.continuous fine mist-like rain
A.ice crystals
B.water droplets
C.snow crystals
D.nitrogen
A.elevation
B.temperature
C.wind speed
D.latitude
A.apparent wind speed only
B.true wind speed and true wind direction
C.true wind speed only
D.apparent wind speed and true wind direction
最新試題
In regions near the poles,the winds are generally described as().
You have determined that you are in the right semicircle of a tropical cyclone in the Northern Hemisphere.What action should you take to avoid the storm().
In the Northern Hemisphere,when the wind at your location is northerly,the low pressure center causing the wind is located to your().
Which condition suggests that your present position lies in the navigable semicircle of a tropical storm().
The doldrums are characterized by().
MIST is caused by().
The strong wind will make us()here for some days.
The passing of a low pressure system can be determined by periodically checking the().
Two well-developed high pressure areas may be separated by a().
Wen a hurricane passes over colder water or land and loses its tropical characteristics,the storm becomes a(n)().