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花粉
释义
花粉
Encyclopedia
理学
花粉
释
pollen
花粉
由花粉母细胞(又称小孢子母细胞)减数分裂产生的小孢子进一步分裂和分化形成的多细胞结构,是种子植物特有的结构。
理学
花
释
pollen; pollen grain
花粉
花药成熟时的雄配子体或花粉囊开裂释放出来的雄配子体。种子植物特有的结构。
Biology
pollen
花粉
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mear solar year
measles
measles vaccine
measles virus
measurability
measurable
measurable cardinal
measurable cardinal number
measurable cascade
measurable decomposition
measurable dynamical system
measurable envelope
measurable event
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measurable flow
measurable function
measurable function space
measurable group action
measurable hull
measurable inverse
measurable kernel
measurable many-valued function
measurable mapping
measurable multifunction
measurable multivalued function
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