视角范围是指用户可以从不同的方向清晰地观察屏幕上所有内容的角度。
有一些很棒的作品会从稍微高的角度拍摄，同样也能呈现出大幅度的视角范围。
Some great shots are taken slightly higher and can still show a large degree of perspective.
如果悬挂设备位于正常的视角范围内，则需要采用与照明设备相协调的表面喷涂处理。
M. Provide hanging devices which, if visible from normal viewing angles, exactly match fixture finishes.
本论文提出了一种将LAMP器件上视角范围内的亮度，向下视角范围转移的设计方法。
This paper presents a new asymmetric LAMP design concept that part of the luminous intensity in the upward 50% power angle can be transformed to the downward.
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