Lamp with adjustable irradiation Angle, and according to the work need to implement the light localization.
灯头照射角度可调节，并可根据现场工作需要实现光线定位。
The problem of light localization in two-dimensional random media with different filling densities of the same material particles is studied by use of the finite difference time domain method.
用时域有限差分法研究了同一材质的颗粒在不同填充密度下的随机介质中光局域化问题。
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