“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	ecological management ecological Marxism ecological meteorological disaster ecological migration ecological model ecological monitoring ecological niche ecological niche evaluation ecological niche modeling ecological occupation-compensation balance ecological operation ecological perspective of learning ecological planning ecological port construction ecological potential ecological process ecological productivity of grassland ecological protection engineering ecological protection of the Sanjiangyuan areas ecological protection red line ecological protection redline system ecological protection tax ecological psychology ecological pyramid ecological race

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