“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	agricultural products E-commerce agricultural products electronic commerce agricultural products export policy agricultural products fair price supermarket agricultural products logistics distribution center agricultural products market agricultural products market services agricultural products revenue insurance agricultural products support price policy agricultural protection policy agricultural public service platform agricultural radio and television school agricultural radio frequency identification agricultural radioisotope tracer technique agricultural region agricultural regionalization agricultural regional structure policy agricultural remnant membrane agricultural remote sensing agricultural residues agricultural resource and environment Agricultural Resource and Environment Sciences agricultural resource distribution agricultural resources agricultural resources environment

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。