“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	zero-spin zero spin nuclei zero-spin nuclei zero square zero stability zero-stability zero state response zero-stress statement of vessels zero subgroup zero subject sentence zero-sum zero-sum extension zero-sum game zero sum problem zero-sum problem zero-sum theory zero-sum two-person finite game zero-sum two-person game zero-sum two-player game zero-symmetric graph zero system zero-system zero-temperature equation of state zero tensor zero testing

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。