A.Increased draft
B.Pitch
C.Roll
D.Change in trim
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A.one-millionth part of a second
B.one-thousandth part of a second
C.one-hundredth part of a second
D.one-tenth part of a second
A.persistence
B.pulse repetition rate
C.pulse length
D.rotation rate
A.carrier frequency
B.pulse repetition rate
C.pulse length
D.pulse repetition time
A.magnetron
B.receiver
C.indicator
D.modulator
A.transmitter
B.antenna system
C.indicator
D.modulator
最新試題
A Doppler speed log indicates speed over ground（）.
Compass error is equal to the（）.
（）the canal transit，the radar was operating.
A radar range to a small，charted object such as a light will provide a line of position in which form?（）.
Error may be introduced into a magnetic compass by（）.
The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.
（）is on the panel of radar.
A radar contact will remain stationary on a relative motion radar display only when it is（）.
The transmission time duration of a single pulse of radio-frequency energy is a function of the（）.
AREAS WHICH CANNOT BE SCANNED BY THE RADAR OF THE VESSEL BECAUSE THEY ARE SHIELDED BY PARTS OF ITS SUPERSTRUCTURE，MASTS，ETC means（）.