光污染在很大程度是因为照明设计得不好，人造光可以向外和向上照射到天空。
Light pollution is largely the result of bad lighting design, which allows artificial light to shine outward and upward into the sky.
糟糕的照明设计使人造光向外向上照射到天空。
Bad lighting design allows artificial light to shine outward and upward into the sky.
而在选灯这一方面，向上照射灯光和LED的照明，是更多人会选择的，主要是耐久节能！
On the one hand, the choice of lights on the lighting and LED lighting, is more people will choose, mainly durable!
而在选灯这一方面，向上照射灯光和LED的照明，是更多人会选择的，主要是耐久节能！
On the one hand, the choice of lights on the lighting and LED lighting, is more people will choose, mainly durable!
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