A.At
B.In
C.During
D.With
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A.Gain Control
B.Brilliant Control
C.Anti-clutter Sea Control
D.Sweep Intercept
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
最新試題
AREAS WHICH CANNOT BE SCANNED BY THE RADAR OF THE VESSEL BECAUSE THEY ARE SHIELDED BY PARTS OF ITS SUPERSTRUCTURE，MASTS，ETC means（）.
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?（）
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?（）.
Error may be introduced into a magnetic compass by（）.
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（）.
The number of pulses of energy transmitted per second is call the（）.
（）the canal transit，the radar was operating.
A deadhead is a(n)（）.
Deviation in a compass is caused by the（）.