英语词汇“孔径焦距比”的翻译、意思、用法、释义-英汉汉英词典

单词	孔径焦距比
释义	孔径焦距比phr.f number【摄】孔径焦距比，值；光圈数focal ratio【摄】孔径焦距比，值
随便看	acquisition instinct acquisition laser acquisition management acquisition method acquisition mode acquisition number acquisition of assets acquisition of fastness acquisition of knowledge acquisition of resistance acquisition of resistance--acquisition of fastness acquisition of resistance;acquisition of fastness acquisition of right of way acquisition of signal acquisition of signal--aos acquisition of signal，aos acquisition order acquisition phase acquisition plan acquisition policy acquisition premium acquisition process acquisition radar acquisition--radar acquisition range