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Film speed - Wikipedia, the free encyclopedia 你常對身邊的人發脾氣嗎?若是這樣,那可要小心了,丹麥科學家研究發現,常與親朋好友或伴侶吵架,恐增加中年死亡的機率,對於男性或沒有工作的人,影響特別大。研究發表在《流行病學暨社區健康期刊》(Journal of Epidemiology and Community Health)上。 過去研究指出,Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. A closely related ISO system is used to measure the sensitivity of digital ...
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