A.full confirmation
B.precise appreciation
C.immediate assessment
D.timely recognition
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A.direction of a target
B.distance to a target
C.size of a target
D.shape of a target
A.brightness of objects
B.color of targets
C.shape of targets
D.bearing of objects
A.Latitude
B.Longitude
C.Speed
D.Time
A.deviation
B.variation
C.local attraction
D.All of the above
A.at close range
B.at end on situation
C.at head on situation
D.at crossing situation
最新試題
Would you please（）on the radar?
（）is not an alarm required by IMO standards to be available on the ECDIS.
（）is not a component of GPS.
Which statement concerning GPS is TRUE（）.
Automatic identification systems（AIS）are required to（）.
If the radio signal ground wave extends out for less distance than the minimum skywave distance，there is an area in which no signal is received．This is called the（）.
What does not contribute to the commercial GPS receiver position error（）.
（）is a digitized“picture”of a chart.
The line connecting the Loran-C master station with a secondary station is called the（）.
Which one of the followings does not limit the effective range of radar（）.