| 单词 | quadrinvariant | 
| 释义 | > as lemmasquadrinvariant   quadrinvariant  n.  Brit.  , U.S.   rareΚΠ 1853    Philos. Trans. 		(Royal Soc.)	 143 546  				Quadrinvariant, an invariant of which the terms are quadratic functions of the coefficients of the primitive. 1884    W. R. W. Roberts in  Hermathena X. 182  				Functions..expressed by the quadrinvariants of the quantics [etc.]. 1903    Philos. Trans. 		(Royal Soc.)	 A. 201 358  				The quartic ω4, its Hessian, its quadrinvariant, and its cubinvariant. < as lemmas  | 
	
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