光圈控制进入传感器的光的强弱。
而我们的灯光设计从总体考虑，却单单使用4000k，用亮度控制，形成最纯粹的光的强弱变化；
However, with overall consideration of design, 4000K is the only colour temperature used in this project. Intense and dimmed lights are simply achieved through luminance control.
这样的光腔在介质中是随机分布的，其数量与分布特征与介电常量涨落的强弱有关。
Such optical resonators distribute randomly in the random medium and their amount and distributing characteristics depend on the strength of the dielectric constant fluctuation.
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