A.They occur when the Sun is at minimum declination north or south
B.They occur when the Moon is at maximum declination north or south
C.The difference in height between consecutive high or low tides is at a minimum
D.They are used as the basis for the vulgar establishment of the port
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A.They occur only at quadrature
B.They occur when the Moon is nearest the Earth
C.They cause diurnal tides to become mixed
D.They have a decreased range from normal
A.South Atlantic
B.South Equatorial
C.Agulhas
D.Guinea
A.Falkland Current
B.Brazil Current
C.Norway Current
D.Benguela Current
A.Iceland Current
B.Baltic Current
C.Labrador Current
D.Baffin Current
A.Diurna
B.Semi-diurnal
C.Solar
D.Mixed
最新試題
Neap tides occur only（）.
The velocity of the current in large coastal harbors is（）.
Neap tides occur（）.
River currents tend to（）.
Priming of the tides occurs（）.
The Benguela Current flows in a（）.
（）is not a type of tide.
The steady current circling the globe at about 60°S is the（）.
The type of current which will have the greatest effect on the course made good for your vessel is（）.
To make sure of getting the full advantage of a favorable current，you should reach an entrance or strait at what time in relation to the predicted time of the favorable current?（）