“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	Wooden Slips of Qin Dynasty Unearthed from Haojiaping Wooden Slips of Qin Dynasty Unearthed from Liye Wooden Slips of the Han Dynasties from Lop Nur Wooden Slips of the Qin Dynasty from Qingchuan Wooden Slips of Western Han Dynasty at Datong Wooden Slips of Western Han Dynasty from Wudu Wooden Tablets of Qin tombs from Shuihudi,Yunmeng wooden type wooden walkway wood equilibrium moisture content wood ethanol wood extractives wood fiber wood fibre wood firing wood fish wood flooring woodford shale gas play wood forest products wood frame construction wood gas wood gasification wood handling wood high-frequency drying wood high yield pulping

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。