“石炭纪聚煤期”的概念、定义、翻译、参考文献-科学参考

单词	石炭纪聚煤期
释义	石炭纪聚煤期 Encyclopedia 理学聚煤期释 Carboniferous coal-accumulating period石炭纪聚煤期石炭纪有大量聚煤作用发生并形成有工业价值煤田的时期。
随便看	diffract diffracted wave diffraction diffraction angle diffraction by a circular aperture diffraction by a rectangular aperture diffraction contrast diffraction direction diffraction disk diffraction efficiency diffraction factor diffraction filter diffraction-free beam diffraction fringe diffraction generator diffraction grating diffraction grating alignment measure diffraction group diffraction halo diffraction image diffraction intensity diffraction limit diffraction-limited beam diffraction-limited imaging diffraction-limited lens

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。