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古生代演化动物群
释义
古生代演化动物群
Encyclopedia
理学
古生物学
释
Paleozoic evolutionary fauna
古生代演化动物群
全球古生代海洋动物的总称,在寒武纪晚期寒武纪演化动物群出现衰退时开始出现雏形,奥陶纪生物大辐射构建了其基本框架,并实现其早期演化,在奥陶纪末在海洋生态系统中实现对寒武纪演化动物群的全面替代,成为海洋动物世界的霸主,并持续近3亿年一直到二叠纪末。
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mapping function
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mapping into a set
mapping into itself 「=mapping in
mapping knowledge domains
mapping method
mapping method of intrusion
mapping method of metamorphic rock area
mapping method of volcanic rock
mapping method with total station
mapping norm
mapping of class C
mapping of geological potential Radon
mapping of graphs
mapping of pairs
mapping of semigroups
mapping of sets
mapping of spectra
mapping of the boundary
mapping of the circle
mapping of the interval
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