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
An ECDIS is required to display which information?（）
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are（）.
Compass deviation is caused by（）.
A Doppler speed log indicates speed over ground（）.
A deadhead is a(n)（）.
An indirect radar echo is caused by a reflection of the main lobe of the radar beam off the observer’s vessel. Which of the following is NOT a characteristic of indirect echoes?（）.
An ECDIS is required to display which information?（）
A radar display in which North is always at the top of the screen is a(n)（）.
A radar range to a small，charted object such as a light will provide a line of position in which form?（）.
A Doppler log in the bottom return mode indicates the（）.