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单词 dot etching
释义

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dot etching
dot etching n. (in photolithography) any of several methods of increasing or reducing the amount of tone or colour in a particular area of a half-tone negative or positive by means of adjusting the sizes of individual dots.
ΚΠ
1937 J. S. Mertle Photolithogr. & Offset Printing ix. 138 The halftone positive for dot etching may be made either in the camera (from continuous tone negatives), or it may be made by contact printing from a halftone negative.
2005 P. Masterson Bk. Design & Production 225 Dot etching on negatives increases color; dot etching on positives reduces color.
extracted from dotn.1prep.
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