英语词汇focal ratio degradation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 ratio degradation
释义	focal ratio degradation 英?[?f??k?l ?rei?i?u ?degr??de???n] 美?[?fok?l ?re?o ?d?ɡr??de??n] 释义焦比衰退行业词典天文学焦比衰退???又称 :焦比衰退(FRD)???会聚光束通过光纤后，引起出射光束的发散度增加的现象。???
随便看	automated tape library automated tariff filing and information system automated task automated teaching automated teaching device automated-teller automated teller automated-teller machine automated teller machine automated teller machine (atm) automated teller machines automated tellers automated test automated test case automated test case generator automated test data generator automated test equipment automated test generator automated testing automated testing tool automated text report generation automated texture diffractometer automated thesaurus automated ticket automated ticket and boarding pass

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 ratio degradation