a particle

• A particle image velocementry system for two dimensional measurement
  二维粒子图像测速系统的研制
• A particle swarm optimization with step - accelerating mutation operator
  含步长加速变异算子的微粒群算法
• He choked on a particle of food
  他让一小粒食物噎住了。
• Use of recall scrolls will now instantly fire a particle effect
  使用回城卷轴现在会立刻产生一种粒子效果。
• And displacement of a particle is
  ，质点振动位移用
• Light is known to be dual , behaving as both a particle and a wave
  我们知道光是二元性的，即兼具粒子和波的性质。
• For comparison , a particle of smoke is about 1 / 10th of a micron in size
  作为比较，烟中的微粒大约是在十分之一微米大小。
• We consider a particle travelling in a given direction , say the x - direction
  我们考虑一个粒子沿已知方向，例如x方向运动。
• Investigation of the coherent structure in a particle - laden turbulent planar jet using les
  气粒两相平面湍射流拟序结构的大涡模拟
• Numerical simulation of drag force on a particle in dense gas - particle two - phase flow
  稠密气固两相流中单颗粒所受气动力的数值模拟