“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	principle of intensity modulation measurement principle of invariance principle of invariance of light speed principle of investigation principle of investment diversification principle of knowledge evaluation principle of least action principle of least curvature principle of least effort principle of least entropy production principle of least motion principle of least privilege principle of least reaction principle of legality principle of library management principle of limiting absorption principle of limiting amplitude principle of linearization principle of linearized stability principle of linear superposition principle of locality principle of localization principle of location principle of massive support principle of material benefits

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