A.Latitude
B.Longitude
C.Speed
D.Time
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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
A.Rhythm
B.Period
C.Intensity
D.Color
最新試題
Which of the following statements is TRUE regarding crane operations（）.
Most modern Loran-C receivers，when not tracking properly，have a（n）（）.
When navigating using DGPS（Differential Global Positioning System）you may expect your position to be accurate to within a radius of（）.
The loran lines drawn on navigation charts represent（）.
Which one of the followings does not limit the effective range of radar（）.
Loran-C is which type of system（）.
Which of the following statements is TRUE regarding automatic identification systems（AIS）（）.
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（）.
The（）transmits own ship data cyclically via two defined VHF channels and receives the same data of the other ships and objects that are equipped with AIS systems.
Which statement concerning GPS is TRUE（）.