“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	elevation control point elevation control survey elevation correction elevation mask elevation measuring elevation of sight elevation servo power amplifier elevation static correction elevation wing plate oil-water separation device elevator elevator control cabinet elevator for mine elevator liability insurance elevator paradox elevator shaft elevator traction machine elevatum eleven-a-side soccer of Summer Special Olympics Eleven Branch Secretariats eleven-faced Avalokitesvara of the Dulesi Temple at Jixian eleven-point conic eleventh five-year plan of China Eleventh National Congress of the Communist Party of China eleventh plenary session of eighth central committee of CPC elevon

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。