英语词汇focal reducer的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	focal reducer
释义	focal reducer [?f??k?l ri:?dju:s?] 释义缩焦器行业词典天文学缩焦器???为增大望远镜系统的焦比并扩大可用视场而设计的光学系统。???
随便看	sea fisherman seafishery sea fishery sea fishes sea-fishes sea-fishing seafishing sea-fishings Sea-Fix seaflight sea-float sea floe sea-flood sea flooding surface sea floor sea-floor seafloor sea floor age sea-floor basalt seafloor bearing capacity sea floor charter seafloor coring sea floor deposit sea floor deposits sea floor exploration

英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

focal reducer