“protogaikum”概念、定义、翻译-科学时代

单词	protogaikum
释义	地质学词汇手册 protogaikum 原地旋回
随便看	left limit value left linear grammar left-luggage office leftmost derivation leftmost terminal set left multiplication ring left Noetherian ring left opportunism left order left Ore ring left over leftover left profile of order k left quasi-regular element left quotient ring left recursion problem left-right parsing left ring of fractions left R-module left shield left shoulder arms left theatre left unique relation left valve left ventricle

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。