“丝炭层”的概念、定义、翻译、参考文献-科学参考

单词	丝炭层
释义	丝炭层 Encyclopedia 理学煤层释 fusain layer丝炭层呈薄片、薄层或扁平透镜状在煤层中沿层理面断续分布，并与亮煤或暗煤交互成层的丝炭。
随便看	topological class topological classification topological close-packed phases topological closure topological cobordism topological complement topological completeness topological completion topological complex topological concrete category topological condition topological configuration topological conjugacy topological conjugacy map topological conjugate mapping topological consequence topological conservation law topological constraint topological convergence topological criterion topological cross-section topological cube topological current topological cycle topological defect

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。