“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	second moment method second moment of area second moment of inertia second Morley adjunct triangle second Morley center second Morley cubic second Morley triangle second Napoleon point Second National Congress of Chinese Nationalist Party Second National Congress of Communist Party of China second-nearest neighbor second Neuberg circle second Neuberg point second Neuberg triangle second normal form second normal form, 2NF second normal stress difference second number-class second of arc second of time second open Second Opium War second order second-order advantage second order arithmetic

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