“shanxi coal measures”的概念、定义、翻译、参考文献-科学参考

单词	shanxi coal measures
释义	shanxi coal measures Encyclopedia 理学二叠纪煤系释 shanxi coal measures山西煤系早—中二叠世时期山西组地层发育时期连续沉积形成的一套含有煤层并具有成因联系的沉积岩系。
随便看	singular chain singular chain complex singular chain group singular circle singular cochain singular cochain complex singular cocycle singular coefficient singular cohomology singular cohomology group singular cohomology ring singular collineation singular complex singular component singular configuration singular congruence singular conic singular continued fraction singular control singular coordinate singular correlation singular correspondence singular critical lattice singular cube singular curve

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。