direct reflection

• 直接反射,定向反射,镜面反射

direct reflection的用法和样例：

例句

1. Its specula reflection weakened while scattering reflection reinforced.
   此时其镜面反射能力减弱，漫反射能力增强。
2. That part of a luminaire designed to reflect the luminous flux of the lamps in required directions by means of specular reflection.
   灯具中被设计成利用镜面反射来在所需的方向上反射光源光通量的那部分。