“benefit-cost model”概念、定义、翻译-科学时代

单词	benefit-cost model
释义	人口学词汇手册 benefit-cost model （个人生育决策的）成本—收益模型
随便看	directress direct return hot-water heating system direct reversal shot directrix directrix directrix directrix directrix direct rope haulage direct runoff direct-runoff hydrograph direct sale direct sale clause direct sales direct sales direct sales direct-sales strategy direct sampling direct sampling technique direct satellite probing direct scheme of digital rectification direct search direct search direct search method direct seeding

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。