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
How is variation indicated on a small-scale nautical chart?（）.
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 radar display in which North is always at the top of the screen is a(n)（）.
Deviation in a compass is caused by the（）.
The number of pulses of energy transmitted per second is call the（）.
Deviation is the angle between the（）.
What will NOT induce errors into a doppler sonar log?（）
An electronic depth finder operates on the principle that（）.
A radar display which is oriented，so that north is always at the top of the screen，is called a(n)（）.