A.high pressure system
B.low pressure system
C.high dew point
D.low dew point
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A.At
B.In
C.During
D.With
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
最新試題
（）is on the panel of radar.
A tall object with a light on or near the shore，to act as a guide or warning to mariners is called（）.
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are（）.
（）should be used during the poor visibility if the radar’s screen shows heavy sea returns.
AREAS WHICH CANNOT BE SCANNED BY THE RADAR OF THE VESSEL BECAUSE THEY ARE SHIELDED BY PARTS OF ITS SUPERSTRUCTURE，MASTS，ETC means（）.
You are using a radar in which your own ship is shown at the center，and the heading flash always points to 0°. If bearings are measured in relation to the flash，what type of bearings are produced?（）.
A radar display which is oriented，so that north is always at the top of the screen，is called a(n)（）.
The radar component that generates the radio-frequency energy in the form of short powerful pulses is which of the following?（）.
Compass deviation is caused by（）.
An ECDIS is required to display which information?（）