“延长煤系”的概念、定义、翻译、参考文献-科学参考

单词	延长煤系
释义	延长煤系 Encyclopedia 理学晚三叠世煤系释 yanchang coal measures延长煤系鄂尔多斯盆地中—上三叠统延长群含煤地层。
随便看	connected bond, unblocked bond connected category connected chain connected closed set connected colon connected compactum connected complex connected component connected component of a graph connected component of the identity connected covering connected curve connected design connected diagram connected diagram expansion connected digon connected digraph connected domain connected dominating set connected doublet connected-element interferometer connected-element radio interferometry connected fiber connected graded module connected graph

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。