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palaeontological clock
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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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indoor air pollution
indoor air purification
indoor air quality
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indoor and outdoor air pollution
indoor barrier
indoor drainage system
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indoor football
indoor football field
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indoor insolation and health effect
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indoor map
indoor mobile communication coverage system
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indoor navigation and positioning
indoor noise reduction by sound absorption
indoor plant
indoor plants
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