“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	radiation calculation radiation calorimeter radiation cataract radiation chemical engineering radiation chemical measuring methods radiation chemical reaction radiation chemical yield radiation chemical yield; radiation chemistry yield radiation chemistry radiation chemistry of aqueous solution radiation chemistry of biological materials radiation chemistry of gas radiation chemistry of organic compounds radiation chemistry of polymers radiation chemistry of solid radiation chemistry yield radiation cleavage radiation climate radiation coefficient radiation coincidence measurement radiation cold polymerization radiation compatibility testing between satellite system, launch vehicle and launch site radiation compression radiation condition radiation constant

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