Due to the intrinsic characteristics of artificial lighting source, its light output in all exists certain stroboscopic.
由于人工照明光源的固有特性，其光输出中都存在着一定的频闪。
Until the advent of artificial lighting, the sun was the major source of lighting, and people spent their evenings in (relative) darkness.
在人工照明发明之前，太阳是主要的光线来源，人们的夜晚时间都是在(相对)黑暗中渡过。
The first is the general lighting, natural light source from the outside world and an artificial lighting that is a variety of lighting equipment.
首先是一般照明，来源于外界天体的自然光源和一种是人工照明即各种照明设备。
The artificial light plays an important role in crop growth, and LED as a new light source has broad prospects in the development of supplementary lighting system.
人工补光对作物生长具有重要作用，LED作为一种新型光源在作物补光系统中具有广阔的应用前景。
The artificial light plays an important role in crop growth, and LED as a new light source has broad prospects in the development of supplementary lighting system.
人工补光对作物生长具有重要作用，LED作为一种新型光源在作物补光系统中具有广阔的应用前景。
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