With the assumption that the billiards is perfectly elasticity and by adopting the basic theory of theoretical mechanics, the track of the main ball has been simulation analyzed.
在台球完全弹性碰撞的假设下，运用基本的理论力学原理对主球在碰撞目标球后、碰桌边前的运动规律进行了分析，给出了这段时间内主球的运动控制方程。
Function: Accelerate the synthesis of collagen and improve elasticity, protect skin from environmental damage and supply nutrition, naturally whiten and aqua-hydrate perfectly.
功效：促进皮肤胶原蛋白合成，改善皮肤弹性，防御外界对肌肤伤害，补充皮肤营养，自然美白、强力水润保湿。
应用推荐