| 单词 | to the first order | 
| 释义 | > as lemmasto the first (also second, etc.) order The order of a plane curve corresponds to the degree of its equation. A second-order derivative is a derivative of a derivative. A second-order (or third-order, etc.) infinitesimal is one of the form 1/	x2 (or 1/	x3, etc.), where x is infinite.  of the same order: (of two variables) having a ratio which tends to a finite number as they both tend to zero or infinity.  to the first (also second, etc.) order: neglecting quantities of order greater than one (or two, etc.).extracted from ordern.< as lemmas  | 
	
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