A.The echo sounder
B.The radar
C.The course recorder
D.The direction finder
您可能感興趣的試卷
你可能感興趣的試題
A.The marine sextant
B.The chronometer
C.The echo sounder
D.The radar
A.The marine sextant
B.The chronometer
C.The echo sounder
D.The radar
A.The marine sextant
B.The chronometer
C.The magnetic compass
D.The gyrocompass
A.The marine sextant
B.Thechronometer
C.The magnetic compass
D.The gyrocompass
A.Steady
B.Meet her
C.Midships
D.Stop engines
最新試題
Fog is likely to occur when there is little difference between the dew point and the（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
In the Northern hemisphere northerly winds may cause temperature（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Berthing means bringing a vessel to her berth until（）.
Bales close to the deckhead should be covered to prevent（）.
The loading of the ship must be done in accordance with（）.
The ISM code is part of（）.
The helm command PORT TWENTY means（）.
When steering by autopilot,how often should the steering be checked?（）