对二氯苯醚菊酯的抗性指数除江门外均已超过5倍，最高的是深圳为17.1倍；

The RFs of mosquitoes to Permethrin were more than 5 fold in 5 cities investigated, in which that was the highest and 17.1 fold in Shenzhen;

youdao

对二氯苯醚菊酯的抗性指数除江门外均已超过5倍，最高的是深圳为17.1倍；

The RFs of mosquitoes to Permethrin were more than 5 fold in 5 cities investigated, in which that was the highest and 17.1 fold in Shenzhen;

youdao