A.make
B.be made
C.not make
D.not be made
您可能感興趣的試卷
你可能感興趣的試題
A.remains aligned with compass north
B.also turns to starboard
C.first turns to starboard then counterclockwise to port
D.turns counterclockwise to port
A.spider element
B.mercury ballistic
C.gyrotron
D.rotor
A.the horizontal component of the permanent magnetism
B.deviation caused by the vessel's inclination from the vertical
C.induced magnetism in the horizontal soft iron
D.induced magnetism in the vertical soft iron
A.bearing circle
B.pelorus
C.bearing bar
D.alidade
A.RINGS INT
B.SWEEP INT
C.REPEATER
D.GONIOMETER
最新試題
While you are at anchor，what will serve as a positive warning that you are drifting towards the wrecks located to the NW and SW of your 2215 position（）.
（）is not a component of GPS.
With respect to automatic identification systems（AIS），which information is expected to be broadcast every 1 to 10 seconds（）.
When your vessel is proceeding to the area of traffic density，（）is used to determine the exact ranges of other ships or objects in the vicinity.
The operation of which aids to navigation may be suspended during war or national emergency（）.
Would you please（）on the radar?
You are about to go to sea and adjust the magnetic compass．To expedite the adjustment at sea，in what order should the following dockside adjustments be made（）.
The（）transmits own ship data cyclically via two defined VHF channels and receives the same data of the other ships and objects that are equipped with AIS systems.
To obtain accuracy in fixing by DF，（）and three stations should be used.
In using Loran-C，skywave reception gives greater range but is（）.