请输入您要查询的字词:
单词
aquatic heterosis
释义
aquatic heterosis
Encyclopedia
农学
水产杂种优势
释
aquatic heterosis
水产杂种优势
遗传基础不同的两个水生生物亲本杂交产生的杂种在生长势、生活力、生殖力、抗逆性、产量和品质等性状上优于其亲本的现象。杂种优势是生物界普遍存在的现象,对改良生物的生产性能有重要作用。一般具有杂种优势的杂种表现明显的近交衰退现象,且随繁殖世代增进而减退,因而一般只用杂种一代。
随便看
town-village system
town(rural)construction planning
Towolhoe
to work wonders
towpath of Shanyin county
tow-to-top process
towveyor
toxemia and septicemia
toxic and harmful contaminants monitoring
toxic and harmful gas detection alarm
toxic and harmful grass
toxic and non-toxic
toxicant
toxicant purification
toxic article
toxic asphyxia
toxic blue algae monitoring
toxic diffuse goiter
toxic injury to the eye resulted from medications and toxicants
toxic injury to the eye resulted from toxicants
toxicity
toxicity assessment
toxicity of medicinals
toxicity of single salt
toxicity reducing and efficacy enhancing
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:2025/12/7 10:57:36