light_装酷神器

light > 心情 > Windows主题

kemo209
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- light
- 分类：心情
- 标签：kk
- 时间：2017/5/4 13:58:26

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light
Light is a form of energy。 The light source emits light, because the atoms and molecules in the light source, there are three main ways: thermal motion, transition radiation (including spontaneous emission and stimulated radiation), light radiation produced and charged particles accelerated during exercise.

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