“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	Science & Culture Review science curriculum in early childhood education science data science data curation Science Fiction science fiction Science Fiction & Fantasy Writers of America Inc. science fiction film science fiction television series science high school science literature statistics Science Museum,London Science Novels science of abstracts science of air force health service Science of Archaeometry Science of Archives Law science of archives preservation science of criminal investigation science of criminal policy science of editions of Chinese ancient books science of educational administration science of fish behavior science of fishing gear science of fishing gear and methods

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。