在撞击过程中, 动量的变化是突然的,但非瞬时的.In a crash, momentum changes abruptly but not instantaneously.有时,在局部速度中可能出现瞬时脉动.Sometimes temporal fluctuation may take place inthe local velocity.它表示寻常光波前和非常光波前的瞬时轨迹.It represents the instantaneo...
Figure 9 is diagrammatic view of the components and interrelationship therein.图9是体现该系统各部件及相互间连接的一幅图表.Interrelationship and interplay of various words in semantic field are language dependent.语义场中各个词项之间的语义关系是相互依赖的.The int...
Sydney Carton , idlest and most unpromising of men, was Stryver's great ally.西得尼·卡尔登,最懒散和最无望的人, 是史曲勒孚的大盟友.In fact, his business career had distinctly unpromising beginnings...事实上，他的经商生涯从初期就明显前景暗淡。You always say that...
每一部分都用图片讲解。Each section is explained pictorially.同学们对老师用风趣的方式讲解他们的错误很感兴趣.The students enjoyed their teacher's bantering them about their mistakes.你给孩子们讲解要设法讲得简单明了.Try to simplify your explanation for the children....
You have to learn to take care of your possessions.你得学会保管好自己的财物。Don't worry yourself about me, I can take care of myself.你别担心我，我能照顾好自己。I take care of them to the best of my abilities.我尽我所能地照顾他们。...