请输入您要查询的字词:
单词
IGR
释义
IGR
Encyclopedia
农学
昆虫生长调节剂
释
insect growth regulator;IGR
昆虫生长调节剂
在昆虫个体发育时期阻碍或干扰昆虫正常发育,使昆虫个体生活能力降低、死亡,进而使种群灭绝的一类特异性杀虫剂。在使用时不直接杀死昆虫。
随便看
sheaf of groups
sheaf of hyperfunctions
sheaf of ideals
sheaf of lines
sheaf of meromorphic functions
sheaf of modules
sheaf of parallel lines
sheaf of planes
sheaf of regular functions
sheaf of relations
sheaf of rings
sheaf of semigroups
sheaf of sets
sheaf of spheres
sheaf of total quotient ring
sheaf space
sheaf theory
shear
shear Alfven wave
shear Alfvén wave
shear angle
shear band
shear center
shear deformation
shear deformation characteristics of rock mass
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:2025/10/13 8:44:16