“pyrethrin”的概念、定义、翻译、参考文献-科学参考

单词	pyrethrin
释义	pyrethrin Encyclopedia 理学除虫菊酯释 pyrethrin除虫菊酯从菊科植物除虫菊花中分离出的杀昆虫活性成分。是多种除虫菊酯类的混合物。 Biology pyrethrin除虫菊酯
随便看	system of parameters system of partial differential equations system of particles system of periods system of Pfaffian equations system of points system of polar coordinates system of polynomial equations system of polynomials System of Positive Polity system of powers system of production and construction corps system of psychology system of quadratic equations system of quantities system of quasigroups system of quasi-linear hyrerbolic equations system of quasi-linear parabolic equations system of quasi-periods system of rays system of rectangular coordinates system of reference system of releasing environmental state report system of representatives system of residues

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。