本研究设计了作为组培光源的LED光源板，并对LED光源作为组培光源进行了特性分析，同时与普通日光灯光源进行了光源效果的对比研究；
LED light-house used for tissue culture is designed, and the light-house characteristic is analysed. Meanwhile, the contrast research of the light-house with common fluorescent lamp is carried on.
光源与被摄体的相对大小，决定了照片的整体效果。
The size of your light source, relative to your subject, affects the overall look of the picture.
控制好光源位置能够为你的页面设计创造独特气氛(即使仅仅是一个简单的线性或径向渐变也能达到效果)。
Controlling the source (s) of light in your designs (even if just with a linear or radial gradient) can help create atmosphere in your page designs.
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