药剂明显延长幼虫5龄期，处理试虫比对照蜕皮滞后约1.5天；
奶牛胎衣不下与乳中孕酮、雌二醇含量的关系
1·There are three fracture modes in shearing tests, i. e. , exuviation, shear and crush fractures, with nugget dimensions and shearing loads increasing in turn.
点焊试样剪切试验中存在脱壳式、剪断式和压断式三种断裂模式，所对应的熔核尺寸和剪切载荷依次增加。