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...
转眼之间,奶油面包和腊肠卷就被一扫而光.The cream buns and sausage rolls were polished off in next to no time.“ 错不了! " 是腊肠式裤管的青年回答." No mistake about it, " answered the young man in the baggy trousers.我过去和现在都是酷爱腊肠的人.I was, and am, a great m...
This paper summarized classification, functions, varieties of colorant and factors affecting coloration of salmon and bulltrout.本文阐述了着色剂的分类及作用 、 着色剂种类的选择及影响鲑鳟鱼着色效果的因素....