请输入您要查询的字词:
单词
fertilization(plant)
释义
fertilization(plant)
Encyclopedia
理学
受精(植物)
释
fertilization(plant)
受精(植物)
通常有广义和狭义两个概念。广义概念指从花粉落在柱头上到精卵融合完成的整个过程,因此,受精过程可分为两个阶段,即配子配合前阶段和配子配合阶段,这一概念通常用于被子植物。狭义概念仅指雌雄配子的融合过程。
随便看
nuclear imaging/optical fluorescence imaging
nuclear imaging technique
nuclear industry
nuclear information processing system
nuclear instrumentation system
nuclear instrument module (NIM) standard
nuclear interaction
nuclear interaction length
nuclear island
nuclear isomer
nuclear isospin
nuclearity
nuclear lamina
nuclear land mine
nuclear leak
nuclear leakage accident
nuclear level density
nuclear-level density
nuclear linear operator
nuclear liquid droplet model
nuclear localization signal,NLS
nuclear log
nuclear logging
nuclear logging instrument
nuclear magnetic double resonance
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:2025/10/15 13:44:12