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megasporangium
释义
megasporangium
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。
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channel of electrostatic leakage
channelography
channelon
Channel One
channel overload
channelpathy
channel phenomenon
channel plate
channel plow
channel point,meridional point
Channel Power
Channel Productivity
channel protein
channel qi
channel regulation
channel request
channel scheduler
channel service unit
channel service unit, CSU
channel specialization
channel spin
channel status word
channel status word, CSW
Channel Structure
channel swimming
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