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
Great Australian Bight
Great Awakening
Great Bao’en Temple
Great Barrier Island
Great Barrier Reef of Australia World Natural Heritage
Great Barrier Reef undercurrent
Great Basin
Great Basin National Park
Great Bear Lake
Great Belt East Bridge
great blue spotted mudskipper
Great Britain Animal and Plant Health Agency
Great Britain growing to be a colonial empire
Great Britain Island
Great Buddha Temple,Zhangye
Great Buddhist Temple Grottoes at Ansai
great burdock achene
great burnet
Great Canon of the Southern Tours
Great Canon of the Yongle Era, hand-copied edition by Imperial Household Department, Jiajin and Longqing eras, Ming Dynasty
Great Capital
Great Changes in a Mountain Village
Great Charity Chinese Opera
great chiliocosm
Great China Baihe Film Company
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:2026/6/28 12:08:03