“石炭—二叠纪冰期”的概念、定义、翻译、参考文献-科学参考

单词	石炭—二叠纪冰期
释义	石炭—二叠纪冰期 Encyclopedia 理学石炭-二叠纪冰期释 Carboniferous-Permian glaciation石炭—二叠纪冰期 3.25亿～2.55亿年前的冰川活动期。是显生宙内持续时间最长的冰川活动期。又称晚古生代冰期。
随便看	arithmetic overflow arithmetic pipeline arithmetic problem arithmetic progression arithmetic progression of higher arithmetic progression selection model arithmetic proof arithmetic proportion arithmetic quotient arithmetic register arithmetic Riemann-Roch theorem arithmetic ring arithmetic root arithmetic scheme arithmetic semiformal system arithmetic sequence arithmetic sequence of higher order arithmetic sequence problem arithmetic series arithmetic series of higher order arithmetic set arithmetic shift arithmetic sign arithmetic space arithmetic structure

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。