The optical concentrator receives light from the light emitting element, via the dichroic filter, and emits the light from an exit surface, which is smaller than the entrancesurface.
光学集中器经由二向色滤光片接收来自发光元件的光并且从小于入射表面的出射表面发射光。
2
By selecting a group of suitable entrance parameters, a submerged inlet with the trapezoid entrance on the plane surface is designed and verified.
通过选取一组合适的入口参数，设计了一种在平面上具有梯形入口的水下入口，并进行了验证。
3
Again and again he groped over the surface of the rock, feeling it, almost hugging it in the desperate need to find the entrance.