“教育投资平均成本”概念、定义、翻译-科学时代

单词	教育投资平均成本
释义	教育学词汇手册教育投资平均成本 average cost of education investment
随便看	marginal head marginal homogeneity marginal hook marginalia marginalia marginalia marginalia line marginal income marginal income marginal income marginal income ratio marginal income ratio marginal initial cell marginal investment marginalism marginalism marginalist marginalist revolution marginality marginality marginalization marginal job function marginal land marginal land marginal land

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。