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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。
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travel
travel agency liability insurance
Travel Agent or Travel Agency
travel-bag
travel contract
travel cost approach
travel distance
Travel Document
traveler
Travelers' Medical Prescriptions for Acute Diseases
traveler’s problem
Travel Fu
travel guidance
Travel Heart
travel information service
travel information system
traveling beam tube
Traveling Cross the Creek and Mountain by Fan Kuan
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traveling fixture
Traveling Heroes of Justice
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