The utility model discloses a projection screen, which comprises a pyramid prism array, a reflective film and a base material.
本实用新型公开一种投影荧幕，包括一角锥棱镜阵列、一反射膜及一基材。
2
The properties of the micro-square-prism array are studied theoretically. Its retro-reflective properties are demonstrated.
对微正方形角锥棱镜阵列定向反射器的特性进行了理论研究和模拟。
3
Parasitic applicators with variable reflective termination devices can be used in the applicator array along with at least one applicator directly coupled to the energy source.