“object contrast”的概念、定义、翻译、参考文献-科学参考

单词	object contrast
释义	object contrast [`äb·jekt `kän´trast] ^OPTICS The ratio of the difference between the brightness of an object and of the background to the brightness of the background in an image or reproduction.
随便看	Long Tom long tom long ton long-tube vertical evaporator longwall coal cutter longwall peak stoping longwall pillar working longwall retreating longwall system long wave long-wavelength infrared radiation long-wave radio long-wire antenna long-wool lonsdaleite loo lookahead lookahead tree look angle look-back time look box lookout lookout station lookout tower look-through

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