“节约人工的投资”概念、定义、翻译-科学时代

单词	节约人工的投资
释义	经济学词汇手册 labour-saving investment 节约人工的投资
随便看	active oxygen method--active oxygen method（AOM） active oxygen method（AOM） active oxygen test active page active paper active parent fish active participation active partition active partition active partition active partner active-passive alternation active-passive fuze active-passive sleep active permafrost active phase active pick location active picture elements active plate active platform active poison active poison active polysaccharides active population active power

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。

labour-saving investment