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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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carry
carry digit
carry earth into water
carry increment adder
carrying
Carrying a Shoulder Pole with Fresh Lotus Root
carrying capability
carrying capacity
carrying capacity of environmental resource
carrying capacity of mariculture
carrying capacity of population
Carrying capacity of railway district
carrying capacity of resources and environment
Carrying capacity of station
Carrying capacity of throat turnout group
carrying capacity of water resources in pastoral areas
carrying over
carrying-pole dance
carry look-ahead adder
carry-over
carryover
carry-over cocoon treatment
carry-propagation adder
carry-save adder
carry-scraper
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