compass deflection

名词 n.
中文释义

英文释义

名词 n.
  1. The difference, expressed in degrees, between the direction a magnetic compass needle points and true or astronomical north; magnetic declination.
  2. Differences, expressed in degrees, between magnetic north directions and the direction a magnetic compass points, owing to local magnetic interferences; magnetic deviation.

词形变化

compass deflections plural
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