“periodical cumulation”概念、定义、翻译-科学时代

单词	periodical cumulation
释义	图书馆、情报与文献学词汇手册 periodical cumulation 定期汇编
随便看	ratio of operation expense to sales ratio of profit to net sales ratio of ranges ratio of rises ratio of root to shoot ratio of sediment distribution ratio of similitude ratio of solar absorptance to emittance ratio of specific heats ratio of stock ratio of survival pupae ratio of tangential to radial shrinkage ratio of tidal ranges ratio of total liabilities to net worth ratio of transformation ratio of twist ratio of value added to net worth ratio of value added to sales ratio plug valve ratio print ratio promotion ratio rule ratio scale ratio scale ratio scale

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。