请输入您要查询的字词:
单词
palaeontological clock
释义
palaeontological clock
Encyclopedia
理学
古生物学
释
palaeontological clock
古生物钟
保存为化石的生物体具有能反映生物生长节律的骨骼结构。如珊瑚化石表壁上的生长环脊和生长环纹,软体动物和腕足动物化石壳表上的生长纹,叠层石、藻类和某些层孔虫的生长纹层等。
随便看
police force dispatch
police geographic information platform
police guarantee culture
police image and discipline
police implements
police impression management
police inspection
police inspector
police instruction and communication equipment
police integrated information system
police intelligence
police internal supervision
police law
police law enforcement
police law enforcement concept
police law enforcement supervision
police legal supervision
police legislation
police liaison officers
Police Literature and Arts Association of China
policeman
policeman-on-point-duty curve
police marketing strategies
police mental health
police number
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/6/20 20:13:07