“diffusing screen”的概念、定义、翻译、参考文献-科学参考

单词	diffusing screen
释义	diffusing screen [dǝ`fyüz·iŋ ´skrēn] ^{GRAPHIC ARTS} A translucent screen used in contact printing to ensure even diffusion of light; the screen is sometimes denser at those points immediately facing the electric lamps, to avoid increased light in those areas.
随便看	international ellipsoid of reference international fixed public radio communications service International Geophysical Year international gravity formula international henry International Ice Patrol international index numbers international Morse code international nautical mile international ohm International Polar Year international practical temperature scale International Quiet Sun Year international radio silence international rules of the road international signal code international spheroid international standard annealed copper international synoptic code international system of electrical units International System of Units international table British thermal unit international table calorie international telecommunications service international telegraph alphabet

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