“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	bird impact test bird-in-hand theory Bird Island Bird Lady: Painted Terracotta Figurine of a Woman Bird Men bird migration bird-nest fern bird reproduction bird rhythm bird ringing Birds and Flowers by Qian Xuan birds and rats share a cave Birds, Bamboos and Rocks bird-scaring lines birdseye structure bird's-eye view bird's eye view map bird's foot trefoil Birds Gathering in Bamboo and Rock by Wang Yuan Birds Gathering in Shrubbery by Lin Liang bird-shaped jades of Hongshan Culture bird shit (guano) as phosphate rock birds holding ribbon patterns Birds, Insects and Turtles Sketched from Life birds island

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