“coal-accumulating period”的概念、定义、翻译、参考文献-科学参考

单词	coal-accumulating period
释义	coal-accumulating period Encyclopedia 理学聚煤期释 coal-accumulating period聚煤期地质历史中发生聚煤作用并形成具有工业价值煤矿床的时期。又称成煤时代、成煤期。
随便看	composition of crude oil composition of dance composition of force composition of forces composition of functions composition of functors composition of graphs composition of mappings composition of natural gas composition of operations composition of population composition of radiance composition of relations composition of the earth composition of the earth’s interior composition of transformations composition of vectors composition of velocities composition of velocity composition operator composition picture composition plane composition product composition ring composition rule

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。