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受精
释义
受精
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。
理学
受精
释
fertilization
受精
单倍体的精子和卵子相互结合并融合形成双倍体合子的过程,是有性生殖生物个体发育的起点。
Biology
fertilization; spermatization
受精
随便看
structural relaxation of glass
structural repeating unit
structural resistance
structural resonance
structural response monitoring
structural return loss
structural rhinitis
structural rigidity
structural rigidity for missile/spacecraft
structural risk minimization
structural rock unit
structural rule
structural safety design
structural safety factor
structural search
structural section thermal-vibration test
structural seismic response control
structural seismic tests
Structural Semantics
structural semantics
structural separation
structural shield
structural shrinkage
structural slope-break zone
structural sociology
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