“生产性投资”概念、定义、翻译-科学时代

单词	生产性投资
释义	旅游词汇手册生产性投资 productive investment
随便看	zinc oxide zinc oxide zinc oxide thin film zinc oxide whisker zinc peptidase zinc phosphating zinc pigment zinc plate zinc plating zinc powder zinc retort residue zincrosassite zinc selenide CVD zinc silicofluoride zinc-silver battery zinc soap zinc soap zinc spinel zinc sulfate zinc sulfide zinc sulfide (ZnS) zinc sulfoxylate zinc thiocyanate zinc undecylenate zinc vitriol

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。