请输入您要查询的字词:
单词
PNR)
释义
PNR)
Encyclopedia
农学
仔鱼饥饿“不可逆点”
释
starvation in larvae ("the point-of-no-return"; PNR)
仔鱼饥饿“不可逆点”
在饵料缺乏的情况下,初孵仔鱼达50%或100%死亡时的饥饿时间。又称仔鱼饥饿“致死临界期”、仔鱼“不可逆转饥饿”(irreversible starvation)、仔鱼“生态死亡”点。是从生态学角度评价仔鱼的饥饿耐力的一项指标。常用此作为仔鱼“生理死亡”的界限。
随便看
Dance In Its Time:The Emergence of An Art Form
dance in Song Dynasty
dance installation
dance in the USA.
Dance Knowledge Manual
dance master of official ceremonies
dance mechanics
dance motion picture
dance movements
dance/movement therapy
dance music
dance musical or dancical/dansical
dance music melody
dance narrative
dance notation
Dance of Bailingque
Dance of Baodadinggong
Dance of Bayu Area
Dance of Bazhan
Dance of boating
dance of Bohai
Dance of Cailianhui
Dance of Celestial Being
Dance of City Walls
Dance of Cup And Dish
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:2026/6/26 6:13:52