“须家河煤系”的概念、定义、翻译、参考文献-科学参考

单词	须家河煤系
释义	须家河煤系 Encyclopedia 理学晚三叠世煤系释 xujiahe coal measures须家河煤系四川盆地中生界上三叠统须家河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	projective curve projective deformation projective design projective determinacy projective determinacy axiom projective determination projective differential geometry projective dimension projective dimension of a module projective displacement projective distance projective duality theorem projective element projective elimination ideal projective embedding projective embedding theorem projective equivalence projective extension projective extension theorem projective fiber bundle projective finite geometry projective frame projective general linear group projective general orthogonal group projective general unitary group

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。