“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	steel bar steel bar bender steel bar cold-drawing machine steel bar cold-extruding machine steel bar molding steel bar processing machinery and prestressed machinery steel-bars truss deck steel bar truss molding machine steel beam steel beam for emergency repair of railway steel-belt sorter steel bonded cemented carbide steel braced frame steel braced frame structure system steel bridge steel bridge erection steel bridge fabrication steel building structure steel butt welding machine steel cable steel cage forming machine steel catenary riser steel catenary riser ，SCR steel column steel-concrete composite beam

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。