Visible light is part of the electromagnetic spectrum and 10,000 times bigger than the radio spectrum, affording potentially unlimited capacity.
可见光是电磁光谱的一部分，比无线电频谱要大1万倍，因而可说具有无限的开发潜力。
Ultra-violet light is not in the part of the visible spectrum, but why does an ultra-violet lamp emit violet colored light?
紫外光系?湛杉?馄滓酝?但系点解我地可以见到紫外光灯发出紫色???。
Ultra-violet light is not in the part of the visible spectrum, but why does an ultra-violet lamp emit violet colored light?
紫外光系?湛杉?馄滓酝?但系点解我地可以见到紫外光灯发出紫色???。
应用推荐