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底-正摄影系统
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底-正摄影系统
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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。
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critical layer
critical layer of extratropical wave breaking
critical length
critical lethal temperature
critical levee section
critical level
critical line
critical liquid carrying flow rate
critical load
critical load line
critical load of acid deposition
critical luminance
critically damped
critical magnetic field
critical magnetic field of equilibrium phase transition
critical magnetic field of small specimens
critical manifold
critical mass
critical mass of nuclear fission
critical mass-ratio
critical mass-to-light ratio
critical matching
critical meteorological conditions of hazard
critical metric
critical micelle concentration
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更新时间:2026/10/13 16:18:57