| 单词 | mass curve | 
| 释义 | > as lemmasmass curve   mass curve  n. Surveying now rare = mass-haul curve n. ΚΠ 1913    J. C. L. Fish Earthwork Haul ii. 20  				A mass curve is a curve of which the abscissas are stations, and the ordinate at any station..is the algebraic sum of the cut- and fill-volumes between that station..and some chosen initial point of the profile. < as lemmas  | 
	
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