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
urban development land area per capita
urban development land scale
Urban Development Studies
urban disaster-mitigation facilities
urban disaster prevention and alleviation
urban disaster-prevention green space
urban disaster risk assessment
urban disease and its early governance in Britain
urban distrabution
urban diversity
urban drainage engineering
urban drainage flow
urban dynamics
urban eco-health
urban ecological crisis
urban ecological environment
urban ecological footprint
urban ecological input index
urban ecological management
urban ecological net system
urban ecological planning
urban ecological restoration
urban ecological space
urban ecological technology
urban ecology
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:2026/6/30 2:51:20