Because of brightness and directionality, laser has become into an excellent projection light source.
由于激光的高亮度和极好的方向性，使之成为非常理想的投影光源。
The direct projection glare could be reduced through the transmit prism, glass enclosure, and the downward projection light beam is uniform and the luminous surface is large.
透光棱晶玻璃罩可减少直射眩光，下射光线均匀，发光面大。
The direct projection glare could be reduced through the transmit prism, glass enclosure, and the downward projection light beam is uniform and the luminous surface is large.
透光棱晶玻璃罩可减少直射眩光，下射光线均匀，发光面大。
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