“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	service period service plan service port attack service portfolio under value constraints service primitive service privacy service process service process matrix service process model service program service programs service prototyping service provider service publication service quality service quality evaluation and improvement service quality function deployment service quality index system service quality model service recommendation service registration service regulation service relations service relationship service reputation

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。