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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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software quality goal
software quality management
software quality model
software radio telescope
software radio,SR
software redundancy check
software reengineering
software release
software reliability
software reliability model
software repository
software requirements
software requirements engineering
software requirements specification
software requirements specification, SRS
software requirements validation
software restructuring
software reusability
software reuse
software review
software risk
software risk management
software router
software safety
software safety testing
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