A.sea
B.current
C.tide
D.swell
您可能感興趣的試卷
你可能感興趣的試題
A.above
B.below
C.equal to
D.uncertain
A.varies
B.maintains
C.Shifts
D.assembles
A.UK Hydrographic Office
B.IMO
C.International Hydrographic Organization
D.International Association of Classification society
A.Being mroe than 25 miles from shore
B.Only at night when it‟s dark
C.Being more than 6 miles from shore
D.Never
A.Advection
B.Radiation fog
C.frontal fog
D.Steam fog
最新試題
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Bales close to the deckhead should be covered to prevent（）.
The helm command PORT TWENTY means（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
The loading of the ship must be done in accordance with（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
In the Northern hemisphere northerly winds may cause temperature（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
When the wave period and the apparent rolling period are the same（）.