景光，jǐng guāng，出自《史记·孝武本纪》。
电影拍摄之前搭景以及调试灯光时代替演员到场的替身则叫做stand-in（光替）。
This is in contrast to a stand-in who replaces an actor for non-filming purposes such as scene arrangement and lighting adjustments.
利用全量子理论，在相互作用绘景中研究了两个耦合二能级原子与单模压缩相干态光场相互作用系统粒子布居几率的时间演化规律；
The atomic population evolution vs. time in the system of two two-level coupling-atoms interacting with squeezed coherent light field is investigated.
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