| 单词 | variation compass | 
| 释义 | > as lemmasvariation compass   variation compass  n. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > 			[noun]		 > compass > types of paradoxal compass1558 steering compass1669 variation compass1669 correcting compass1821 telltale1828 pelorus1854 liquid compass1865 gyroscope-compass1909 gyro-compass1910 radio compass1912 gyro1914 gyroscopic compass1920 inductor compass1922 gyro-pilot1923 induction compass1925 astrocompass1942 flux gate compass1946 1669    S. Sturmy Mariners Mag.  ii. vi. 67  				The Use of the Quadrant and Variation-Compass. 1770    Philos. Trans. 1769 		(Royal Soc.)	 59 483  				The variation compass..was..a very good one. < as lemmas | 
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