“底-正摄影系统”的概念、定义、翻译、参考文献-科学参考

单词	底-正摄影系统
释义	底-正摄影系统 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	SAT-chromosome sateen satellite satellite account satellite-acoustics integrated positioning system satellite almanac satellite altimetry satellite altimetry gravity inversion satellite altitude satellite and launch vehile reliability growth project satellite antenna satellite antenna reflector metal mesh satellite astronomy satellite attitude determination satellite autonomous integrity monitoring satellite balloon satellite based augmentation system satellite-based augmentation system satellite based differential positioning satellite based differential positioning system satellite-based entanglement distribution satellite-based gravity field model satellite-based train control system satellite borne atomic clock satellite-borne infrared radiometer

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。