分割面的倾斜角被设为使从光源投射的光以基本上平行于光导板的板面的方向反射的角度。
A slant Angle of the dividing surfaces is set to one at which the light projected from the light source is reflected in a direction substantially parallel with a plate of the light guide plate.
在其中一个小孔放入腹腔镜（带有光源的透镜）；腹腔镜将手术区域投射到电视屏幕上让外科医生可以观察到脊柱。
A special lighted telescope is inserted through one of these puncture holes projecting a picture on a television screen allowing your surgeon to see the spine.
借助红外光源和摄像头，Kinect会在玩家游戏区域的投射三维成像。
Kinect USES an infrared light and a camera to create a 3-d image of your play area.
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