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Duotone

資料來源 : pyDict

雙色的;兩色網版的一種

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Duotone \Du"o*tone\, n. [L. duo two + tone.] (Photoengraving)
   Any picture printed in two shades of the same color, as
   duotypes and duographs are usually printed.
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