当星系发生碰撞时，很少会真正碰到一起。
When galaxies collide it is rare that any two stars actually collide.
潜水艇正碰上了雨夜。
他在巴比伦王宫呆了一年之后，正碰上国王尼布甲尼撒为莫名其妙的梦所困。
One year after he stayed in the Babylonian palace, Nebuchadnezzar was troubled by a dream he couldn't understand.
为了改进小型客车正碰撞性能，建立了小型客车车架前纵梁碰撞的有限元模型。
In order to improve a mini-bus crashworthiness, firstly, a finite element method model was built.
罗九32这是为什么？因为不是本于信，而是本于行。他们正碰跌在那绊脚石上。
Rom. 9:32 Why? Because they pursued it not out of faith, but as it were out of works. They stumbled at the stone of stumbling.
采用该模型模拟了脑部正碰的过程，得到了碰撞过程的速度、能量、应变和应力曲线。
With it we simulate a brain front crash process, and get the curves which describe the process's speed, energy, strain and stress.
为此提出了一种从实车正碰试验车体减速度曲线提取出相应的等效双梯形减速度曲线以用于台车试验的方法。
Thus a method is proposed to extract a corresponding equivalent dual-trapezoids curve (EDTC) from the car body deceleration curve in full scale frontal crash test to be used in sled test.
物料经转子加速后以一定的绝对速度大小和方向冲击在打击板上，物料与打击板处于正碰撞状态，使物料得以有效破碎。
The materials are accelerated by the rotor into a certain absolute speed and direction, and impact on the striking board in a positive bumpiness status with the materials crushed effectively.
除了机器的规模，LHC和回旋加速器的主要区别是回旋加速器使粒子撞向静态目标，而LHC用的不是静态目标，用的是逆时针方向传播地质子束来达到正碰。
The main difference, apart from the scale of the machines, is that the cyclotron fired its particles into a static target whereas the LHC USES contra-rotating beams to achieve head-on collisions.
除了机器的规模，LHC和回旋加速器的主要区别是回旋加速器使粒子撞向静态目标，而LHC用的不是静态目标，用的是逆时针方向传播地质子束来达到正碰。
The main difference, apart from the scale of the machines, is that the cyclotron fired its particles into a static target whereas the LHC USES contra-rotating beams to achieve head-on collisions.
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