“comparing alternatives”的概念、定义、翻译、参考文献-科学参考

单词	comparing alternatives
释义	comparing alternatives Encyclopedia 工学工程经济学释 comparing alternatives工程技术方案比选当一个项目存在多种备选的工程技术方案时，按照工程经济学的分析方法选择适当的经济评价指标，对多个方案的经济效益进行比较，选出具有最佳投资效果方案的过程。
随便看	concentrate provitamin coniferous concentrate quality requirement concentrate supplement concentrating column concentrating solar cell concentration concentration cell concentration Clarke concentration class concentration coefficient concentration compactness lemma I concentration compactness lemma II concentration compactness lemma Ⅱ concentration compactness principle concentration-compactness principle concentration constant concentration control coefficient concentration control coefficients，CCCs concentration control of pollutant concentration criterion of ore concentration cylinder concentration-dependent antibiotics concentration-dependent antimicrobial agents concentration direct reading concentration ellipse

科学参考收录了854744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。