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韧皮部
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韧皮部
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〔植物形态与结构〕
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phloem
韧皮部
维管植物(蕨类植物、裸子植物和被子植物)体内输导养分,并具有支持、贮藏等功能的复合组织。与木质部共同构成植物体内连续的维管系统。
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phloem
韧皮部
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primitive recursiveness
primitive recursive operation
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primitive recursive transformation
primitive reflex
primitive regular group
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primitive representation space
primitive right triangle
primitive ring
primitive root
primitive root of unity
primitive sculptures of China
primitive semigroup
primitive semiperfect number
primitive sentence
primitive septum transversum
primitive sequence
primitive set
Primitive Society History
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