“benefit-cost ratio”概念、定义、翻译-科学时代

单词	benefit-cost ratio
释义	旅游词汇手册 benefit-cost ratio 效益—成本比率
随便看	bivalent bivalent antibody bivalent chromosome bivalirudin bivalve bivalve bivalve mould bivane bivariant bivariant system bivariate bivariate bivariate analysis bivariate analysis bivariate beta distribution bivariate binomial distribution bivariate Cauchy distribution bivariate distribution bivariate distribution bivariate exponential distribution bivariate F-distribution bivariate gamma distribution bivariate hypergeometric distribution bivariate linear regression bivariate logarithmic distribution

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。