请输入您要查询的字词:
单词
古生物钟
释义
古生物钟
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
forests and environmental pollution
forest seedling statistics index
forest-shrubland-grassland faunal group of subtropical zone in China
forest-shrubland-grassland faunal group of tropical zone in China
forests in China
forest sites
Forests of Literary Works
forest soil organic matter decomposition
forest soils
Forest Song
forest specialty by-product
forest stand asset
forest steppe
forest structure
forest succession
forest sustained yield
forest swamp
forest tending and felling
forest tending operations
forest tenure
forest tenure right mortgage loan
forest tenure system
forest tourism
forest tourism market
forest tourism products
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:2025/5/5 12:21:40