A.variation
B.deviation
C.compass error
D.bearing error
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A.increases with latitude，being maximum at the geographic poles
B.decreases with latitude，being maximum at the geographic equator
C.is greatest when a vessel is near the Earth's magnetic equator
D.remains the same at all latitudes
A.variation
B.deviation
C.compass error
D.drift
A.compass error
B.variation
C.magnetic dip
D.deviation
A.zero
B.equal to variation
C.eliminated by adjusting the compass
D.constant at any geographical location
A.geographical position
B.speed
C.heading
D.longitude
最新試題
What is the basic principle of the magnetic compass（）.
When adjusting a magnetic compass using the fore-and-aft permanent magnets，you should（）.
Which statement about the Flinders bar of the magnetic compass is CORRECT（）.
When relieving the helm，the new helmsman should know the（）.
In more recent years，（）has been used by civilians in many new ways to determine positions，such as in automobile and boat navigation，hiking，emergency rescue，and precision agriculture and mining.
The line which connects the points of zero magnetic dip is（）.
Which statement about the gyrocompass is FALSE（）.
Variation is the angular measurement between（）.
When adjusting a magnetic compass for error，a deviation table should be made（）.
What is the name of the movable，radial guide line used to measure direction on a radar?（）