A.variation
B.compass error
C.deviation
D.earth's magnetic force
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A.Similize
B.Clock
C.Synchronize
D.Position
A.east two degrees
B.two degrees east
C.two east degrees
D.two-degrees east
A.reflect
B.shown
C.detected
D.defected
A.A vessel on the starboard bow whose bearing is changing and range is decreasing
B.A vessel on the starboard bow whose bearing is steady and range is increasing
C.A vessel on the port bow whose bearing is steady and range is decreasing
D.A vessel on the port bow whose bearing is changing to the left and range decreasing
最新試題
An ECDIS is required to display which information?（）
The radar component that generates the radio-frequency energy in the form of short powerful pulses is which of the following?（）.
AREAS WHICH CANNOT BE SCANNED BY THE RADAR OF THE VESSEL BECAUSE THEY ARE SHIELDED BY PARTS OF ITS SUPERSTRUCTURE，MASTS，ETC means（）.
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are（）.
A barometer showing falling pressure indicates the approach of a（）.
A radar display which is oriented，so that north is always at the top of the screen，is called a(n)（）.
What will NOT induce errors into a doppler sonar log?（）
An ECDIS is required to display which information?（）
The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.
The transmission time duration of a single pulse of radio-frequency energy is a function of the（）.