This mitigates glare and heat gain, while allowing full sunlight to bounce off the shelf and turn the ceiling into an indirect reflector.
这种措施减缓了光照强度和热辐射，同时使得天花上可以得到完全的光照，间接地反射到教室内。
2
A simple method is proposed for obtaining full field-of-view rainbow reflection holograms in which a reflector is located at the back side of the object.