By smashing protons into one another in head-on collisions, physicists intend to recreate conditions that occurred a fraction of a second after the universe was created in the Big Bang.
通过正面相互对撞将原子粉碎，物理学家意图重现大爆炸后宇宙形成那一刹那的情形。
2
The vapor mass fraction at the outlet of the elevating tube increases with the decrease of the driving liquid head.
提升管出口处的气体质量分数随着试件浸没深度的增大而减小。
3
As more Chinese head abroad, Chinese delivery companies have sprung up that offer international delivery at a fraction of the price of companies like UPS and DHL.