| 单词 | 感光纸 |
| 释义 | 〔density〕The degree of optical opacity of a medium or material, as of a photographic negative.不透光度：一定介质或材料（例如照相感光纸）的不透光程度〔developer〕A chemical used to render visible the image recorded on a photosensitive surface.显影剂：用于使记录在感光纸上的图象可见的化学物质〔densitometer〕An apparatus for measuring the optical density of a material, such as a photographic negative.（光）密度计：测量材料，例如相片感光纸光密度的器械〔photogram〕An image produced without a camera by placing an object in contact with film or photosensitive paper and exposing it to light.黑影照片：不用照相机，通过将物体和胶卷或感光纸接触并暴光而产生的图像 |
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