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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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marine hydrogeologic survey
marine hydrographic observation
marine hydrological chart
marine hydrology
marine hydrology instruments
marine industry
marine information object
marine installation
Marine Insurance Act, 1906
marine integrated observation system
marine invertebrates
marine isostatic anomaly
marine isostatic correction
marine litter
marine living space
marine lubricating oil system
marine luminescent bacteria
marine luminous organisms
marine magnetic anomaly
marine magnetic chart
marine magnetic gradient survey
marine magnetic gradiometer
marine magnetic numerical model
marine magnetics
marine magnetic survey
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