“不分年级制”概念、定义、翻译-科学时代

单词	不分年级制
释义	教育学词汇手册不分年级制 nongraded system
随便看	vacuum-pressure processes vacuum process vacuum pulp washer vacuum pump vacuum pump vacuum pump vacuum pump vacuum pump vacuum pump vacuum pump vacuum pump vacuum pump vacuum pump vacuum-pumping vacuum-pumping vacuum-pumping equipment vacuum-pumping system vacuum-pump line vacuum purification vacuum quenching vacuum rake dryer vacuum refinement vacuum refining vacuum refrigeration vacuum rolling mill

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。