velocity package

• 加速器,加速舱,测速仪器舱

velocity package的用法和样例：

例句

1. Through a accelerator the scientist might let the particles' speed up to velocity of light, and by colliding to research the law of energy of the microworld.
   科学家通过粒子加速器使粒子达到光速后，互相进行碰撞，来研究微观世界的能量定律。