單項(xiàng)選擇題

On a chart，the characteristic of the light on a lighthouse is shown as flashing white with a red sector.The red sector（）.

A.Indicates the limits of the navigable channel
B.Indicates a danger area
C.Is used to identify the characteristics of the light
D.Serves no significant purpose

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單項(xiàng)選擇題

In very high latitudes，the most practical chart projection is the（）.

A.Mercator
B.Gnomonic
C.Azimuthal
D.Lambert conformal

單項(xiàng)選擇題

How would you pass a red buoy in the maritime buoyage system“A” （）.

A.keep the buoy on the vessel's starboard side when approaching a port and on the vessel's port side when leaving
B.keep the buoy on the vessel's port side when approaching a port and on the vessel's starboard side when leaving
C.keep the buoy on the vessel's starboard side when approaching and leaving
D.keep the buoy on the vessel's port side when approaching and leaving

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On a chart，the characteristic of the light on a lighthouse is shown as flashing white with a red sector.The red sector（）.

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In very high latitudes，the most practical chart projection is the（）.

How would you pass a red buoy in the maritime buoyage system“A” （）.

In very high latitudes，the most practical chart projection is the（）.