“减焦距镜”的概念、定义、翻译、参考文献-科学参考

单词	减焦距镜
释义	减焦距镜 Encyclopedia 艺术学特殊效果镜释 wide converter减焦距镜安装在摄影镜头光路中，可使该摄影镜头的焦距值成倍率（如0.42×、0.7×）缩小的附属镜。为倍率镜的一种。又称减倍镜、广角附加镜。
随便看	prospective area prospective assessment prospective cohort study prospective equation prospective evaluation prospective evaluation of regional mineral resources prospective fate prospective memory prospective potency prospective region prospective resource prospective right prospective study Prospect New Orleans Triennial PROSPECTOR expert system Prospect Park Prospects prospect theory Prosperity of Emperor Wen and Jing Era Prosperity of Kaiyuan Era Prosperity of Yongming Era Prosperity of Yuanjia Era Prosperity of Zhenguan Era Prosperity Party Prospero

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。