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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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round-trip gain
round trip time
round trip time, RTT
round-trip transit time
roundup
Roundworm
Rouran Nomadic Tribes
Rouruo language
Rouse model
Rousham House and Garden
Rou Shi
Roushi Memorial Hall
Roussas
Rousseau's educational thoughts of naturalism
route
Route 1
route administrative system
route aggregation
route analysis
routed
route daemon
route daemon, routed
route engineering
route engineering survey
route guidance
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