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下面是新版《现代汉语词典》（以下简称《现汉》）对“光”的释义：通常指照耀在物体上、使人能看得见物体的那种物质，如太阳光、灯光、月光等。可见光是波长0．77－0．39微米的电磁波。此外还包括看不见的红外光和紫外光。因为光是电磁波的一种，所以也叫光波；在一般情况下?
The following is a new version of “Modern Chinese Dictionary” (hereinafter referred to as “modern”) on the “light” of the interpretation: usually refers to shine on the object, so that people can see the object of the kind of material, such as sunlight, light, moonlight . Visible light is a wave of 0.77-0.39 microns of electromagnetic waves. Also includes invisible infrared light and ultraviolet light. Because light is a kind of electromagnetic wave, it is also called light wave. Under normal circumstances?