这种效果在物理学上被称为「朗伯余弦定律」（Lambert’s Cosine Law），其核心特征就是无论从哪个角度观察，屏幕的亮度看起来都是一样的。
Nasa announces change to its Moon landing plans
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"New language framed as a compromise was paired with legalese that would allow those safeguards to be disregarded at will. Despite DOW's recent public statements, these narrow safeguards have been the crux of our negotiations for months," the spokesperson said. "We remain ready to continue talks and committed to operational continuity for the Department and America's warfighters."
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Kailash Nadh CTO, Zerodha
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