该技术可广泛用于电视台演播厅，院、校电化教育室等灯具集中而又要经常变化灯光照射位置的场所…
The technique can be extensively used in situations, in which lamp gestures need be often changed, such ast…
该技术可广泛用于电视台演播厅，院、校电化教育室等灯具集中而又要经常变化灯光照射位置的场所…
The technique can be extensively used in situations, in which lamp gestures need be often changed, such ast…
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