Bicubic rescale algorithm shrinks video to small screen size in best possible quality.

用双三插值运算来修改画面，得画质得到可能的保证。

On the other hand, rescaling the lamp using the SKEY could dramatically increase or decrease the lighting intensity of the scene.

方面说，用SKEY调节灯光将会场景的亮度有显著的改变。