侧向漂移 meaning in Chinese

side drift

With the increasing initial orientation angle and length - width ratio , the drifting distance , the fluctuation of the orientation angle , lateral drifting velocity and rotation velocity all increase , while the final settling velocity decreases with the increasing length - width ratio
初始取向角和长宽比增大，则粒子的横向漂移以及取向角、侧向漂移速度和转动角速度的振荡幅度都增大；同时随着长宽比的增大，粒子的沉降速度相应减小。