根据定理4.3的推论, 原点是渐近稳定的.By the corollary to Theorem 4.3, the origin is asymptotically stable.从原点至无穷远处的曲线起分支割痕的作用.Curves running from the origin to infinity may serve as branch cuts.有心力是一种径向力,它的大小只取于离原点的距离.A central force is...
树倒猢狲散.When the boss falls from power , his lackeys disperse.根据托尔斯泰那个靠不住的战争理论, 拿破仑不过是骑在大象身上的一只猢狲.In Tolstoy's dubious theory of war, Napoleon was a mere monky riding an elephant.这就是树倒猢狲散, 主力纷纷杀跌的现象.This is thus colla...