A.Gain Control
B.Brilliant Control
C.Anti-clutter Sea Control
D.Sweep Intercept
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A.KEYLOCK
B.REPEATER
C.STATIC INVERTER
D.ANTI-CLUTTER-SEA
A.As many as
B.So many as
C.As much as
D.As more as
A.Increased draft
B.Pitch
C.Roll
D.Change in trim
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
最新試題
A radar display which is oriented，so that north is always at the top of the screen，is called a(n)（）.
The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.
Deviation in a compass is caused by the（）.
A radar contact will remain stationary on a relative motion radar display only when it is（）.
A FICTIVE LINE DISPLAYED ON THE RADAR SCREEN SEPARATING THE FAIRWAY FOR INBOUND AND OUTBOUND VESSELS SO THAT THEY CAN SAFELY PASS EACH OTHER defines（）.
A tall object with a light on or near the shore，to act as a guide or warning to mariners is called（）.
Deviation is the angle between the（）.
A Doppler log in the bottom return mode indicates the（）.
The transmission time duration of a single pulse of radio-frequency energy is a function of the（）.
An ECDIS is required to display which information?（）