“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	Northwestern Polytechnical University Northwestern Polytechnical University library North-Western Province Northwest Farming Culture Museum Northwest Film Company North West Fine Arts Northwest Institute for Non-ferrous Metal research Northwest Institute of Nuclear Technology Northwest Ordinance Northwest Pacific Basin Northwest Passage Northwest People's Radio Northwest Rare Metal Materials Research Institute North-West Rebellion northwest region of China North-West School Question Northwest Territories North-West Territories Act Northwest University North Wind Blows North xinjiang power plant Norton's theorem Norton theorem norton theorem norvaline

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。