请输入您要查询的字词:
单词
鱼类性比
释义
鱼类性比
Encyclopedia
农学
鱼类性比
释
sex ratio of fish
鱼类性比
鱼类种群内部雌雄鱼数量比。又称鱼类性结构。是种群结构特点和种群动态的重要指标之一,也是渔业资源研究中必须查明的重要内容。
随便看
orientation and mobility
orientation angle
orientation behavior of livestock
orientation birefringence
orientation class
orientation cohomology class
orientation correction
orientation cultivation
orientation effect
orientation fluctuation
orientation force
orientation homology class
orientation manifold
orientation of a manifold
orientation of a simplex
orientation of a space
orientation of a surface
orientation of reference ellipsoid
orientation parameter
orientation phase
orientation polarization
orientation-preserving
orientation-preserving automorphism
orientation-preserving isomorphism
orientation-preserving mapping
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:2026/3/12 22:23:52