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胚胎
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胚胎
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胚胎
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embryo
胚胎
多细胞二倍体真核生物发育的早期时期,是受精卵开始通过有丝分裂产生多细胞有机体的早期阶段。
Biology
embryo
胚胎
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principal factor
principal fiber bundle
principal fiber space
principal fibration
principal filter
principal focus
principal for facet sequence
principal form
principal formula
principal fractional ideal
principal fractionary ideal
principal function
principal function classes
principal functor
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principal G bundle
principal G-bundle
principal genus
principal G-object
principal graduate
principal graph
principal group
principal groupoid
principal homogeneous G-set
principal homogeneous space
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