A.A current at minimum flow
B.A current coming in
C.A current going out
D.A current at maximum flow
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A.A spherical topmark
B.Red and white retroreflective material
C.A sequential number
D.A red and white octagon
A.Horizontal movement of the water toward the land after high tide
B.Horizontal movement of the water toward the land after low tide
C.Horizontal movement of the water away from the land following high tide
D.Horizontal movement of the water away from the land following low tide
A.Equator
B.Areas including both North and South latitudes
C.North and South Poles
D.A narrow band along the central meridian
A.NM
B.Ship's Routing
C.Colreg
D.Solas
A.Set
B.Frequency
C.Period
D.Function
最新試題
When entering a channel from seaward，the numbers on buoys（）.
When navigating a vessel，you（）.
What is a lighted safe water mark fitted with to aid in its identification（）.
Which position includes the effects of wind and current（）.
On a chart，the characteristic of the light on a lighthouse is shown as flashing white with a red sector.The red sector（）.
A celestial body will cross the prime vertical circle when the latitude is numerically （）.
Which buoy will NOT display white retro reflective material（）.
Which of the following are data layer categories to be displayed on ECDIS（）．
What is an ebb current（）.
（） is a defined area within which ships must use particular caution and should follow the recommended direction of traffic flow.