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
universal linear space
universal link
universal logical system
Universal Love
universal love/inclusive care
universally-applicable judicial interpretations
universally axiomatizable class
universally Baire set
universally beneficial social welfare policies
universally catenary ring
universally closed mapping
universally closed morphism
universally equivalent systems
universally Japanese ring
universally measurable
universally measurable set
universally optimum programming
universally submersive morphism
universally valid formula
universal machine
Universal Machine Readable Catalogue Format
universal manifold
universal manometer
universal mapping
universal mapping property
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:2025/12/30 14:51:00