No light pollution, high illuminant efficiency, low temperature design, avoiding equipment aging avoid brightness reduce, life loss, mass maintenance task and other problems.

无光污染、无高温、发光效率高，从而避免由于高温而导致设备老化、亮度降低、寿命缩短、维护量大等问题。

youdao

The shadow field for a light source, called a source radiance field (SRF), records radiance from an illuminant as cube maps at sampled points in its surrounding space.

光源的阴影字段，称为源辐射场(SRF)，记录从光源辐射率作为立方体在其周围的空间中的采样点处的地图。

youdao