echocardiography 超聲波心動(dòng)描記術(shù)。echocardiogaph 超聲心動(dòng)圖儀, 回聲心電儀echocamera 超聲攝象機(jī)echobox n.回波諧振腔echobelly echobearing n.回波定位echoaortograph 回波織脈描記儀echo-vaginal 陰道回聲echo-telegram 音響電報(bào)echo-suppression control [計(jì)算機(jī)科學(xué)技術(shù)]回波抑壓控制echo-sounding receiver [能源科學(xué)技術(shù)]回聲測(cè)深接收機(jī)echo-sounding instrument 回聲探測(cè)儀echo-sounding gear 回聲探測(cè)儀echo-sounding 回聲測(cè)深echo-sounder n. 回聲測(cè)深器，回聲探測(cè)儀echo-sound adj.音響測(cè)深的；回聲探測(cè)的echo-ranging system [能源科學(xué)技術(shù)]回聲測(cè)距系統(tǒng)echo-ranging sonar [數(shù)學(xué)]回音測(cè)距聲納[經(jīng)濟(jì)學(xué)]回音測(cè)距聲納echo-ranging equipment [交通運(yùn)輸工程]回聲測(cè)距設(shè)備echo-ranging detection [交通運(yùn)輸工程]回聲測(cè)距