俺的15.6寸笔记本分辨率是1920×1080,点距是多少?

15.6(16:9)英寸长:34.54cm;宽:19.43cm。670.89cm2=67089MM2

1920x1080=2073600

67089MM2/2073600=0.02753mm2

再根号,约等于0.1659MM。

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