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End-Cretaceous mass extinction
释义
End-Cretaceous mass extinction
Encyclopedia
理学
古生物学
释
End-Cretaceous mass extinction
白垩纪末大灭绝
距今6500万年左右,地球生物圈遭受的一次大规模的集群灭绝事件。
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Mighty Atom
Migma
migmatite
migmatization
migraine
migrant
migrant birds
migrant children
migrant epidemiology
migrant farmers rights and interests policy
migrant population concentrated community
migrant population management
migrants’ children school
migrant workers
migrant workers shortage
migrating motor complex
migrating thermal tides
migration
migration abatement of urban non-point source pollution
migration and transformation of tritium in rock,soil and ground water
migration and transformation of tritium in surface water
migration and transformation of tritium in the environment
migration bias index
migration conduit
migration cost
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