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
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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
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
最新試題
A deadhead is a(n)（）.
The transmission time duration of a single pulse of radio-frequency energy is a function of the（）.
（）the canal transit，the radar was operating.
A radar contact will remain stationary on a relative motion radar display only when it is（）.
An ECDIS is required to display which information?（）
（）20 targets can be tracked at one time．When maximum tracking capacity is reached，no further acquisitions are possible.
How is variation indicated on a small-scale nautical chart?（）.
An ECDIS is required to display which information?（）
A barometer showing falling pressure indicates the approach of a（）.
（）should be used during the poor visibility if the radar’s screen shows heavy sea returns.