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大孢子囊
释义
大孢子囊
Encyclopedia
理学
〔植物形态与结构〕
释
megasporangium
大孢子囊
孢子体进行无性生殖的结构。存在于部分石松类植物(Lycophytes)即水韭科(Isoetaceae)、卷柏科(Selageinellaceae),水生蕨类植物(Ferns)即蘋科(Marsileaceae)、槐叶蘋科(Salviniaceae),以及所有种子植物(spermatophytes)的成熟孢子体上。
Biology
macrosporangium
大孢子囊
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Simply Annotated Ci Poems Selected from the Tang and Song Dynasties
simply connected
simply connected analytic group
simply connected covering
simply connected covering Lie group
simply connected domain
simply connected envelope
simply connected group
simply connected manifold
simply connectedness
simply connected region
simply connected Riemann surface
simply connected space
simply connected surface
simply consistent system
simply convergent filter
simply convergent sequence
simply convergent series
simply covered
simply elliptic singularity
simply generated
simply harmonic space
simply invariant subspace
simply ordered
simply ordered group
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