“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	water supply planning water supply pressure water supply price of water conservancy project water supply project by pipelines water supply project from Zhuhai to Macao water supply project management water supply system water supply system for fire fighting water supply system of hydropower station water supply system of laboratory water supply system of outdoor water supply system of production water supply type water surface leveling water surface slope discharge measurement water surface traction test water surge water survey water swelling strip water system layout in garden water system of hydropower station water system planning water table depth water tariff water temperaturein marginal sea of China

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。