请输入您要查询的字词:
单词
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
随便看
clostripain
closure
closure algebra
closure amplitude
closure axiom
closure condition
closure criterion
closure density
closure distance
closure domain
closure error
closure-finite
closure-finite cell complex
closure-finite complex
closure of a convex function
closure of a domain
closure of a field
closure of an algorithm
closure of an element
closure of an operator
closure of a ring
closure of a set
closure of a space
closure of a subset
closure of a system of functions
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/3/10 7:22:47