“后顶焦距”的概念、定义、翻译、参考文献-科学参考

单词	后顶焦距
释义	后顶焦距 Encyclopedia 艺术学镜头参数释 back focal distance后顶焦距摄影镜头相关光学概念。又称像方顶焦距、后工作距、后截距、后镜端焦距。
随便看	pump running pump sources pump's starting pump system characteristic curve Pumpurs pump vent valve pump volute pump vortex band Pum Qu Punakha punaluan family Punch punch punch and plug three dimensional flash memory punch-card machine Punchdrunk punched card puncher punching punching hand safety tools punching moulding machine punch-through effect punch through insulated gate bipolar transistor punctate anthoceros punctiform

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。