“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	Active Magnetospheric Particle Tracer Explorer active maser oscillator active mass active material active matrix drive liquid crystal display technology active matrix organic light emitting diode active matrix organic light-emitting diode active measurement active mechanism active medium active microwave remote sensing active mode locking active mode-locking active movement active muffler active nest active neutron interrogation active noise control active noise control headphone active nucleus active object active occupation active one-port and active n-port active optical fiber active optics

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。