| 单词 | partial sum | 
| 释义 | > as lemmaspartial sum   partial sum  n. Mathematics the sum of the first n terms of a series consisting of more than n terms, where n is a finite integer (including 1). ΚΠ 1900    Amer. Math. Monthly 7 165  				To interpret this, we get the sum of all the points except one and then add this partial sum to the remaining point. 1979    Sci. Amer. Oct. 24/2  				These squares form the infinite sequence 1, 4, 9, 16, 25.., and the consecutive partial sums of this sequence are 1, 5, 14, 30, 55, [etc.]. 2000    Econ. & Philos. 16 125  				The algorithm works on Arabic numerals, starts from the right, and carries if a partial sum exceeds nine. < as lemmas  | 
	
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