“煤的分类”的概念、定义、翻译、参考文献-科学参考

单词	煤的分类
释义	煤的分类 Encyclopedia 理学煤的分类释 coal classification煤的分类依据工业用途、工艺性质和煤炭资源特点等对煤进行的分类。又称煤的工业分类。
随便看	locally constant sheaf locally contractible space locally convergent sequence locally convex locally convex algebra locally convex Frechet space locally convex Fréchet space locally convex F space locally convex lattice locally convex set locally convex space locally convex structure locally convex [topological linear] space locally convex topological linear space locally convex topology locally countable base locally countable set locally cyclic group locally dense leaf locally equicontinuous semigroup locally equivalent structures locally Euclidean locally Euclidean group locally Euclidean space locally factorial ring

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。