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...
Fill a saucepan with water and bring to a slow boil.往平底锅里加满水，小火煮沸。Boil the liquid in a small saucepan to reduce it by half.用小炖锅炖，收一半汤汁。Boil the water in the saucepan and add the sage.把平底锅里的水烧开，然后加入鼠尾草。...
When the aggregates reached a certain size the inner cells became lignified.当这些聚体达到一定体积时,内部的细胞变成木质化.Hydroliquefaction of lignified biomass polysaccharide is studied at low temperature.研究了木化生物质聚糖的低温加氢液化.The cell wall has ...
I don't know how I aced in, I was lucky enough.我不知道这好事怎么让我给碰上了, 我够幸运的.He aced every physical fitness test they gave him.他顺利通过了他们对他所作的每项体格检查.For example , I can say I aced my last job interview.再说一遍你刚才说的那句话,好吗?...
狗咬狗, 两嘴 毛.When dog bites dog, each gets a mouthful of fur -- usually indicating unjustifiable disputes .在这狗咬狗的世界里,你必须要小心一点.You have to be careful in this dog - eat - dog world.他们的积怨来自于他们之间在政治上的狗咬狗.Their rancor dated from...
He bumped into me.他撞上了我。I often bumped into him as he padded the corridors.他在走廊里轻轻地走过时，我常常碰见他。I bumped my head into a low stone.我的头撞到了一块石头。The driver bumped the kerb while reversing.司机倒车时撞到了路边石.I almost bumped into a man...