“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	second boundary condition second boundary value problem second Brillouin zone second Brocard Cevian triangle second Brocard circle second Brocard point second Brocard triangle Second Bulgarian Kingdom second category second category set second cementing interface second characteristic polynomial second class of ordinal numbers second comparison test second complementary law second component second conjugate space second contact second control second cosine formula second cosine theorem second cosmic velocity second countability axiom second countable space second countable topological space

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。