电子管: electron tube duct; canal; v ...式: type; style高频变换器: high-frequency converter电子场频变换器: electronic field frequency converter场频变换器: field rate converter调频变换器: fm converter幅频变换器: am-fm converter光频变换器: optical frequency converter; optical frequnency converter降频变换器: down converter; down-converter射频变换器: radio converter; radio frequency converter; radio-frequency converter声频变换器: audio transformer升频变换器: step-up frequency changer视频变换器: video converter移频变换器: frequency shift converter; frequency-shift converter音频变换器: audio-frequency transformer中频变换器: intermediate frequency transformer; medium frequency changer; medium-frequency changer调幅-调频变换器: am-fm converter电子管式的: valve-type场存储变频器， 电子场频变换器: field store converter相移变换器移频变换器: shift converter电子变换器: electronic converter电荷耦合掐视频变换器: ccd imager; charge coupled imaging device色频变换器， 彩色变频器: colour frequency converter电子管式测试仪表: electron tube instrument电子管式测试仪器: electron tube instrument; valve type instrument; valve-type instrument
