“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	scalar extension of algebras scalar field scalar field visualization scalar fluctuation scalar flux scalar function scalar functional scalar horn scalariform conjugation scalariform perforation scalariform thickening scalariform vessel scalar integral scalar invariant scalarization scalar Laplacian scalar lepton scalar lepton, slepton scalarly integrable scalarly measurable scalar matrix scalar measurability scalar meson scalar micro-scale mixing model scalar mode

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