“negative-positive photographic system”的概念、定义、翻译、参考文献-科学参考

单词	negative-positive photographic system
释义	negative-positive photographic system Encyclopedia 艺术学摄影工艺释 negative-positive photographic system底-正摄影系统感光材料经曝光冲洗获得负像后称为底片，印相纸经由底片进行接触印相冲洗获得正像后，或者放大纸经由底片进行放大冲洗获得正像后，称为照片，此摄影成像系统称为底-正摄影系统。又称负-正摄影系统。
随便看	sampling investigation sampling item sampling map in ore district sampling method sampling method for investigation sampling methods sampling moment sampling observation particle size measurement sampling of geological cores and samples sampling of image sampling of ore for mining technology sampling of ore for technological test sampling of random variable sampling of rock core Sampling of typical cases sampling on successive occasions sampling oscilloscope sampling period sampling period sampling test sampling plan sampling plan with screening sampling plug-in sampling point sampling points sampling population

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