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

单词	early Cretaceous coal-accumulating period
释义	early Cretaceous coal-accumulating period Encyclopedia 理学聚煤期释 early Cretaceous coal-accumulating period早白垩聚煤期早白垩世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	irrational cut irrational equation irrational expression irrational fraction irrational function irrational inequality irrational invariant irrationalism Irrationality irrationality irrationality condition irrationality estimate irrationality exponent irrationality measure irrationality sequence irrational number irrational number theorem irrational quantity irrational root irrational rotation algebra irrational rotation (C) algebra irrational rotation C algebra irrational rotation number irrational spin Irrational will

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。