Which statement about the Flinders bar of the magnetic compass is CORRECT().

A . It compensates for the error caused by the vertical component of the Earth's magnetic field B . It compensates for error caused by the heeling of a vessel C . It compensates for quadrantal deviation D . It is only needed in equatorial water

时间:2022-11-01 00:21:15 所属题库:磁罗经与陀螺罗经的使用题库

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