“地层划分”的概念、定义、翻译、参考文献-科学参考

单词	地层划分
释义	地层划分 Encyclopedia 理学地层划分释 stratigraphic subdivision地层划分根据地层的各种特征（如岩性、化石等）、属性（根据多种特征的综合分析得出，如时间、气候、环境、事件、成因解释等），按照地层的原始顺序，把一个地区的地层划分为各种类型的地层单位的过程。
随便看	secondary specialized school library rules secondary spectrum secondary spermatocyte secondary spin quantum number secondary standard secondary standard material secondary standard of measurement secondary star secondary station secondary steel secondary stress secondary stress field secondary structure secondary succession secondary support secondary surface secondary tail secondary target secondary thermometer secondary tillage equipment secondary tungsten resource secondary unit secondary valence secondary valence; auxiliary valence secondary valency

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。