“增焦距镜”的概念、定义、翻译、参考文献-科学参考

单词	增焦距镜
释义	增焦距镜 Encyclopedia 艺术学特殊效果镜释 teleconverter增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1.4×、2×、3×）增大的附属镜。为倍率镜的一种。又称增倍镜、增距镜。
随便看	unified and decentralized management system unified-carrier TT&C system Unified Chinese Characters List for Names of Some Measurement Units unified comprehensive coordination system in America Unified Content Descriptors unified electroweak theory unified field theories unified field theory unified gauge model unified government unified information portal system unified joint command system in China unified magnitude unified management of water resources in the basin unified management principle by profession unified management principle of party archives and government archives unified mass unit Unified Medical Language System，UMLS unified model unified modeling language unified modeling language, UML unified modeling language，UML unified model of active galactic nuclei Unified Parallel C unified peer-to-peer database framework

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。