“class index”概念、定义、翻译-科学时代

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。

单词	class index
释义	化工词汇手册 class index 等级指标
随便看	two-class culture two cloth seaming machine two-coil instrument two-coil relay two-coloured crispy duck with minced shrimps stuffing two-colour filter two-colour laser ranger two-colour photography two-colour thermometry two-column core two column cylinder drying machine two-column radiator two-compartment mill two-component air wrap spinning two component coating two-component flow two-component heat pipe two-component injector element two-component neutrino theory two-component plasma two component polyurethane coating two-cord sewing two-core excitation winding two-core reactor two-core reactor