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带羊齿类
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带羊齿类
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理学
古植物学
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taeniopterids
带羊齿类
晚古生代至中生代的羽片为带形至披针形化石植物的集合,可能是早期苏铁或种子蕨类植物。
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transversal block design
transversal connection form
transversal curve
transversal design
transversal disc
transversal elliptic operator
transversal field
transversal filter
transversal flow
transversal frame
transversal intersection
transversality
transversality condition
transversality theorem
transversal line
transversally elliptic operator
transversally orientable bundle
transversally regular mapping
transversal manifold
transversal mapping
transversal matching theory
transversal matroid
transversal momentum
transversal of a field
transversal of a flow
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