The main difference, apart from the scale of the machines, is that the cyclotron fired its particles into a static target whereas the LHC uses contra-rotating beams to achieve head-on collisions.

• 除了机器的规模，LHC和回旋加速器的主要区别是回旋加速器使粒子撞向静态目标，而LHC用的不是静态目标，用的是逆时针方向传播地质子束来达到正碰。