“contact screen”的概念、定义、翻译、参考文献-科学参考

单词	contact screen
释义	contact screen [`kän´takt ´skrēn] ^{GRAPHIC ARTS} A photographically made halftone screen on film having a dot structure of graded density, specifically designed for making halftone negatives and positives for photomechanical reproduction; the screen is placed in direct contact with the film or plate to obtain a halftone pattern from a continuous original.
随便看	caustic lime caustic potash caustic soda caustic treater caustic wash caustobiolith cauterization cautery caution area cautionary characteristic cautious control direct reading direct-reading gage direct recording direct-reduction process direct reflection direct repeat direct resistance-coupled amplifier direct return system directrix direct route direct scanning direct scattering theory direct screen halftone direct sequence system

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