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华夏植物群
释义
华夏植物群
Encyclopedia
理学
古植物学
释
cathaysia flora
华夏植物群
晚石炭世早期形成的一个独立热带-亚热带植物群,经晚石炭世逐渐繁盛,到二叠纪末期消亡,是当时世界四大植物群之一。
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group of regular polyhedrons
group of representatives
group of right quotients
group of rings
group of rotations
group of semilinear substitutions
group of similarity transformations
group of spheres
group of stability
group of stars
group of substitutions
group of symmetries
group of symmetry operation
group of symmetry operations
Group of the Twelve
group of torsion
group of transformations
group of translations
group of triangular matrices
Group of Twenty in Agriculture Negotiations
group of twisted type
group of type I
group of type p∞
group of unitary operators
group of units
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