请输入您要查询的字词:
单词
pollination
释义
pollination
Encyclopedia
农学
授粉
释
pollination
授粉
自然界风媒花林木雌花达到可授期时,花粉自然飞散而进行的传粉过程。或者待雌花柱头(或胚珠)分泌黏液达到可授期时,将父本的花粉通过人工传粉方式授予雌花柱头(或胚珠)的过程。包括自由授粉和控制授粉。
理学
传粉
释
pollination
传粉
成熟花粉从雄蕊花药或小孢子囊中散出后,被传送到雌蕊柱头或胚珠上的过程或现象,是高等维管植物的特有现象。
Biology
pollination
传粉
随便看
transition time
transition town movement
transition width
transition with prohibitions
transition with taboo states
transition zone
transitive
transitive action
transitive binary relation
transitive class
transitive closure
transitive design
transitive digraph
transitive embedding theorem
transitive extension
transitive functional dependency
transitive graph
transitive group
transitive group action
transitive group of motions
transitive G-set
transitive law
transitive measure-preserving transformation
transitive monomial group
transitiveness
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:2026/5/7 23:51:02