A.relative display
B.composite display
C.stabilized display
D.unstabilized display
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A.unstabilized display
B.stabilized display
C.composition display
D.relative display
A.on the same course as your vessel
B.at the same speed as your vessel
C.on the same course and speed as your vessel
D.on a reciprocal course at the same speed as your vessel
A.Separated line
B.Divided line
C.Reference line
D.Segregated line
A.at all times
B.in the bottom return mode
C.in the volume reverberation mode
D.only when there is no current
A.speed being made good
B.speed through the water
C.the set of the current
D.the depth of the water
A.velocity of the current
B.bottom characteristics
C.depth of the water
D.speed over the ground
A.tree or log awash in a nearly vertical position
B.crew member who refuses to work
C.upstream end of a land wall
D.buoy that is adrift
A.high pressure system
B.low pressure system
C.high dew point
D.low dew point
A.At
B.In
C.During
D.With
A.Gain Control
B.Brilliant Control
C.Anti-clutter Sea Control
D.Sweep Intercept
最新试题
Deviation is the angle between the（）.
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are（）.
A Doppler log in the volume reverberation mode indicates（）.
The number of pulses of energy transmitted per second is call the（）.
A deadhead is a(n)（）.
A Doppler log in the bottom return mode indicates the（）.
An ECDIS is required to display which information?（）
What will NOT induce errors into a doppler sonar log?（）
The transmission time duration of a single pulse of radio-frequency energy is a function of the（）.
How is variation indicated on a small-scale nautical chart?（）.