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
（）20 targets can be tracked at one time．When maximum tracking capacity is reached，no further acquisitions are possible.
A radar contact will remain stationary on a relative motion radar display only when it is（）.
A radar display in which North is always at the top of the screen is a(n)（）.
Compass deviation is caused by（）.
A Doppler log in the bottom return mode indicates the（）.
（）is on the panel of radar.
Deviation is the angle between the（）.
A radar display which is oriented，so that north is always at the top of the screen，is called a(n)（）.
The number of pulses of energy transmitted per second is call the（）.
A deadhead is a(n)（）.