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本帖最后由 laichiaheng 于 2020-12-14 12:06 编辑
剛剛又查到正確公式應該是這樣:Lumens = Nits x Screen Area x Pi (3.1416). The screen area is determined by multiplying screen width and height stated in square meters.
所以我手機是貼著螢幕量測的,代表 screen area 很小,可以把 Pi 抵銷? |
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