kinetic theory of plasma

例句：

1. 1.The kinetic energy of the projectile is equal to its mass times the velocity squared.
   投射物的能量等于其质量乘以速度的平方。
2. 2. The kinetic energy of the particles is proportional to their mass and velocity.
   粒子的动能与其质量和速度成正比。
3. 3.The kinetic energy of a moving object is equal to half its mass times its velocity squared.
   一个移动物体的动能等于它一半的质量乘以速度的平方。