“古生物钟”的概念、定义、翻译、参考文献-科学参考

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	homotopy extension property homotopy extension theorem homotopy fiber homotopy functor homotopy group homotopy group functor homotopy group of a triad homotopy group of CW complexes homotopy group of spheres homotopy identity homotopy invariance homotopy invariant homotopy invariant functor homotopy inverse homotopy inverse mapping homotopy length homotopy lifting homotopy lifting property homotopy lifting theorem homotopy method homotopy monomorphism homotopy of chain mappings homotopy of chain maps homotopy of mappings homotopy of maps

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