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
最新試題
An ECDIS is required to display which information?（）
A radar contact will remain stationary on a relative motion radar display only when it is（）.
A Doppler log in the volume reverberation mode indicates（）.
The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are（）.
AREAS WHICH CANNOT BE SCANNED BY THE RADAR OF THE VESSEL BECAUSE THEY ARE SHIELDED BY PARTS OF ITS SUPERSTRUCTURE，MASTS，ETC means（）.
（）is on the panel of radar.
Deviation is the angle between the（）.
A barometer showing falling pressure indicates the approach of a（）.
The transmission time duration of a single pulse of radio-frequency energy is a function of the（）.