| 单词 | personal equation | 
| 释义 | Definition of personal equation in English:personal equationnoun 
 OriginMid 19th century; earliest use found in Monthly Notices of the Royal Astronomical Society. After German Personal-Gleichung (F. W. Bessel, 1822). Definition of personal equation in US English:personal equationnoun 
 OriginMid 19th century; earliest use found in Monthly Notices of the Royal Astronomical Society. After German Personal-Gleichung (F. W. Bessel, 1822).  | 
	
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