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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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residential domestic sewage flow
residential electricity consumption
residential floor area density
residential floor height
residential gateway
residential households
residential house market
residential industrialization
residential investment
residential land
residential location
residential location value
residential management
residential micro-Environment
residential mobility
residential pattern
residential public green landuse
residential road system
residential SAR construction system
residential segregation
residential sound environment
residential surveillance
Residential System
resident identity
resident identity card
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