第一种模式中，光子经过偏振处理，转为垂直方向或水平方向振动。
In the first, a photon is polarised either vertically or horizontally.
正常光线向各个方向振动垂直的飞行；但是偏振光只有在一个平面上振动。
Regular light vibrates in all directions perpendicular to its direction of travel; polarized light, however, vibrates only in one plane.
美国ROHO集团已经开发出一种车用充气座垫，可以有效减少垂直方向的振动传递，并且有效的提高驾驶员乘坐的舒适性。
The ROHO Group of the US has developed air-inflated seat cushions which effectively reduce the vibration transmission in perpendicular direction and improve the seating comfort of drivers.
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