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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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Two in October
Two job settings
two-key cryptosystem
two kinds of delusions (kleśa)
two kinds of educational system
two kinds of purity
two kinds of substance synthesis into another
Two kinds of tax three points
two-layer
two-layered round lacquer toilet case with nine slots
two layer model of fault
two-leaved rose lemniscate
two-lens objective
two-lens ocular
Two Letters Working in Coordination
two-level
two-level adaptive predictor
two-level difference scheme
two-level laser
two level model
two-level model
two level system
two-level system
two-level system model
two-limited
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