For certain wavelengths of light, routers along that path would accept signals coming in from only one direction and send them off in only one direction.
这条链路上的路由器对某种特定波长的光束，只接受从一个方向进入的信号，也只向一个方向发送这些信号。
A directional light doesn't have a position, only a direction.
定向光没有位置，只有方向。
I only have to run, to see light cognitive direction.
我只有奋力奔跑，才能看见光亮认知方向。
Regular light vibrates in all directions perpendicular to its direction of travel; polarized light, however, vibrates only in one plane.
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。
Even if only a single color also Angle to watch as the light and a different direction, flashing colorful magic-like effects, add a sense of hierarchy, rather Baroque style.
即使只使用单一颜色，也会随着观看角度与光线方向的不同，闪烁迷幻般的多彩效果，更添层次感，颇具巴洛克风情。
Love, to go to good direction makes sense only, or light is only starting point is not enough.
爱，要往良善的方向上才有意义，否则光是只要动身点是不够的。
Love, to go to good direction makes sense only, or light is only starting point is not enough.
爱，要往良善的方向上才有意义，否则光是只要动身点是不够的。
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