Second, mirrors dot the slanted, south-facing facade, beaming light to a molten-salt-filled collector that hangs off the building like an ultra-tall street lamp.
其次是许多面镜子。 它们布满朝南的倾斜外墙，将阳光反射到一个装满融盐的收集器。
2
The material could either be used as a solar collector, or as a light-emitting diode, depending on the application.
根据不同的应用需求，这种材料既可以被用来作为太阳能集热器，又可以用来做发光二极管。
3
The material could either be used as a solar collector, or as a light-emitting diode, depending on the application.