A.brightness of objects
B.color of targets
C.shape of targets
D.bearing of objects
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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
A.to get
B.to approach
C.to proceed
D.to close
A.hard iron
B.soft iron
C.vertical iron only
D.horizontal iron only
最新試題
Which of the following statements is TRUE regarding automatic identification systems（AIS）（）.
The information received by AIS will be displayed on（）.
You are about to go to sea and adjust the magnetic compass．To expedite the adjustment at sea，in what order should the following dockside adjustments be made（）.
（）is not a component of GPS.
Which statement concerning GPS is TRUE（）.
Radar makes the most accurate determination of the（）.
（）is not an alarm required by IMO standards to be available on the ECDIS.
With respect to automatic identification systems（AIS），which information is expected to be broadcast every 1 to 10 seconds（）.
While you are at anchor，what will serve as a positive warning that you are drifting towards the wrecks located to the NW and SW of your 2215 position（）.
Loran-C is which type of system（）.