Halftone

例句:

• Double-print is used where the surface is covered with halftone screen, either the line or halftone negative is printed on the metal, the other is superimposed on it. 佚名. 神奇的知识之书.
• Briefly stated, the process of making halftones is as follows: The subject to be engraved is photographed through a halftone screen, so-called. 佚名. 神奇的知识之书.
• Nine separate men handle each engraving in the halftone department. 佚名. 神奇的知识之书.
• Combination plates are made by combining the halftone and line negatives together and making one complete print on the metal. 佚名. 神奇的知识之书.
• This halftone screen is a glass plate ruled with lines at right angles ranging, for different purposes, from 60 to 200 lines to the inch. 佚名. 神奇的知识之书.
• In both cases, negatives are made of both the halftone and fine copies. 佚名. 神奇的知识之书.
• Its use is very extensive in the making of tint blocks or color work, used either in connection with line or halftone key plates. 佚名. 神奇的知识之书.
• Briefly stated, the process of making halftones is as follows: The subject to be engraved is photographed through a halftone screen, so-called. 佚名. 神奇的知识之书.
• The differences in cost in the production of halftones is due largely to the length of time devoted to this work. 佚名. 神奇的知识之书.
• These plates made up of both line work and halftones are known as combination plates or double-prints, depending upon the way they are produced. 佚名. 神奇的知识之书.
• The successful use of halftones, whether in black and white or in colors, depends on the care with which the particular screen is selected to suit the paper stock and printing conditions. 佚名. 神奇的知识之书.
• Photo-engravings, broadly speaking, are divided into two classes--line engravings and halftones. 佚名. 神奇的知识之书.

校对:贾斯廷