“wide converter”的概念、定义、翻译、参考文献-科学参考

单词	wide converter
释义	wide converter 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	arc-transitive graph arc triangle arc-trigonometric function Arcturus Arcturus group Arcuate uterus arculus arcus arcus function arc welding arc welding robot arcwise connected arcwise connected component arcwise connected continuum arcwise connectedness arcwise connected set arcwise connected space arc without contact Ardeal School Ardenne ardennes Ardent, Loyal Souls Ardipithecus Ardley Island ardometer

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。