The kinetic theory of gases is the best known example. 气体动力学理论就是最有名的例子。
The technical principles of powdering with ultrasonic-atomization and quick-cooling are explored in this paper from the view of gas dynamics and ultrasonics. 本文试从气体动力学和超声学角度探讨了超声气雾化快冷制粉技术的原理。
