Resistance to pyrethroids has emerged, especially Africa, although so far there have been only one or two cases of obvious control failure.
对拟除虫菊酯的耐药性已经出现，特别是在非洲，虽然迄今明显控制失败情况只有一两例。
Warp and weft knitting, although so similar when their loop construction is viewed from its face side, are quite different in their mechanical behavior and properties.
虽然从正面观察，经编和纬编织物的成圈结构是相似的，但它们的物理和机械性能有很大的差别。
Warp and weft knitting, although so similar when their loop construction is viewed from its face side, are quite different in their mechanical behavior and properties.
虽然从正面观察，经编和纬编织物的成圈结构是相似的，但它们的物理和机械性能有很大的差别。
应用推荐