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（）.
On a chart，the characteristic of the light on a lighthouse is shown as flashing white with a red sector.The red sector（）.
When a buoy marks a channel bifurcation，the preferred channel is NOT indicated by（）.
When latitude and longitude are used，these shall be expressed in（）（and decimals of a minute if necessary），north or south of the Equator and east or west of Greenwich.
What area of the earth cannot be shown on a standard Mercator chart（）.
A celestial body will cross the prime vertical circle when the latitude is numerically （）.
When entering from seaward，a buoy displaying a single-flashing red light would indicate （）.
When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.
Which position includes the effects of wind and current（）.
What describes a flood current（）.