“效益成本比率”的概念、定义、翻译、参考文献-科学参考

单词	效益成本比率
释义	效益成本比率 benefit-cost ratio
随便看	traction of pelvis along the longitudinal axis traction orthodontic treatment traction permeameter traction phenomena traction reduction traction resistance traction rope traction shovel traction speed lever traction sprayer traction spreader traction spring traction strand traction substation traction suspension rope traction table traction test traction thickener traction thrust traction tongs traction transformer traction-transmitting belt traction transport traction tube traction-type cell

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。