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pollen tube
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pollen tube
Encyclopedia
理学
花
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pollen tube
花粉管
花粉萌发时,由花粉内壁向外伸出形成的管状结构。通常是营养细胞(或称管细胞)进一步生长发育的结果。
Biology
pollen tube
花粉管
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multiple evaluation principle
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