dìng yǐng
意思解释：（Fixing）把已曝光的负片中未曝光或未还原的卤化银去除的过程。常用的定影药剂是硫硫酸钠(海波)
利用某种方法将显影图像固定在复印介质(如纸)上的过程。1880年傅兰雅辑《格致汇编》第三册《照像略法》:“钾衰四钱，蒸水十两消化，将水倾于片上，令片转侧，则所有黄色与白色之处变明而像更清，所有未改变之含碘质与含溴质，亦为…
Use some kind of method to secure develop image in duplicate medium (like paper) the course that attend. Is Fu Lan elegant 1880 collect does case send collection the 3rd according to like summary law : of of Xi of of that of sunken fellow ニ relatively does of Qiong of of Bo of of yttric of rare of of flatter of Wen of of of wither dregs of rice does hammer of form of of of Dan of of Zhun of of Ju of Zhuo of Ρ of of of tritium consult seek hut of of washing with watercolors to inspect of an official document or note
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