In China, pyrethroid insecticides were forbidden to apply in rice field.
但是,在中国一直被禁止应用于水田害虫防治.
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The results show that the pyrethroid containing 2 - imidazolidone in the structure has insecticidal activity.
实验结果表明:将 2- 咪唑啉酮引入到拟除虫菊酯结构中,其拟除虫菊酯具有一定的杀虫活性.
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