“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	political order Political Order in Changing Societies political organ political organization political orientation Political Parties: A Sociological Study of the Oligarchical Tendencies of Modern Democracy political party press political personality Political Philosophy political philosophy political poster political posters political preference political process Political Program for Border Areas of Shaanxi, Gansu and Ningxia political propaganda political psychology political public opinion political quality of the people's police political question doctrine political realism political reform thought of China's landlord class political relation political revolution political rhetoric

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。