A.speed being made good
B.speed through the water
C.the set of the current
D.the depth of the water
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A.velocity of the current
B.bottom characteristics
C.depth of the water
D.speed over the ground
A.tree or log awash in a nearly vertical position
B.crew member who refuses to work
C.upstream end of a land wall
D.buoy that is adrift
A.high pressure system
B.low pressure system
C.high dew point
D.low dew point
A.At
B.In
C.During
D.With
A.Gain Control
B.Brilliant Control
C.Anti-clutter Sea Control
D.Sweep Intercept
最新試題
（）is on the panel of radar.
The transmission time duration of a single pulse of radio-frequency energy is a function of the（）.
Deviation is the angle between the（）.
The radar component that produces the synchronizing signal and triggers the indicator sweep is which of the following?（）.
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?（）.
Compass deviation is caused by（）.
A radar contact will remain stationary on a relative motion radar display only when it is（）.
An ECDIS is required to display which information?（）
Deviation in a compass is caused by the（）.
A Doppler log in the bottom return mode indicates the（）.