1.【化】除虫菊酯
1.either of two oily liquid complex organic compounds.
1.Spray a pyrethrin into the air when confined to a certain outside area.
当被限制在户外的一定区域时，往空气中喷洒一些除虫菊酯。
2.You can obtain a pyrethrin shampoo from your vet , who will instruct you in its use.
你可以从你的兽医那里得到这种除虫菊酯洗发剂，他会推荐你使用的。
3.It is mainly pyrethrin (pyrethroid) with 50 percent in the insecticides.
它们多属拟除虫菊酯类农药，占总数的50%；
4.Cultivating pyrethrin and its efficacy on driving flies
除虫菊的栽培及驱蝇效果研究
5.Application of pyrethrin for controlling insects
拟除虫菊酯在卫生害虫防治中的应用
6.Effects of two Pyrethrin Pesticides on Serum Lysozyme and Glutamic Pyruvic Transaminase in Common Carp
两种菊酯类农药对鲤血清溶菌酶和转氨酶的影响
7.Effects of two kinds of pyrethrin pesticide on carp blood cells
两种菊酯类农药对鲤血细胞的影响