资料来源 : pyDict

方位角计,磁针偏差计

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Declinometer \Dec`li*nom"e*ter\, n. [Decline + -meter.]
   (Physics)
   An instrument for measuring the declination of the magnetic
   needle.

资料来源 : WordNet®

declinometer
     n : an instrument for measuring magnetic declination [syn: {transit
         declinometer}]