“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	total probability total probability formula total probability theorem total productive maintenance total projective group total proper-motion total public expenditure policy total quality control total quality control of aquatic food production total quality management Total Quality Management of Library total quantity control and quota management of irrigation total quantity control of regional water consumed total quantum number total quantum number, principal quantum number total quotient total quotient ring total radiation total radiation thermometry total reaction cross section total recovery of associated and coexisting minerals total recursive function total reflection total reflection long capillary cell spectrophotometry total reflection long capillary cell (TR-LCC) spectrophotometry

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