“标志层”的概念、定义、翻译、参考文献-科学参考

单词	标志层
释义	标志层 Encyclopedia 理学标志层释 marker标志层厚度较小且变化不大，岩性特征明显且稳定、层位稳定、分布范围广、易于鉴别、可作为地层对比标志的岩层。
随便看	curvature field curvature flow equation curvature form curvature function curvature index curvature indicatrix curvature invariant curvature line curvature line parameter curvature matrix curvature movement curvature object curvature of a connection curvature of a curve curvature of a surface curvature of field curvature of parallel curvature of space curvature of space-time curvature of spacetime curvature of the second kind curvature of the three points curvature of the universe curvature operator curvature perturbation

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。