Doppler ultrasound的用法和樣例：
例句
- Q9 Which of the following is a known side effect of prolonged use of diagnostic Doppler ultrasound?
以下哪項是長(cháng)久啟用診斷性多普勒超聲的副作用？ - Conclusion Doppler echocardiogram is important in diagnosing and differentiating pul monary stenosis.
結論多普勒超聲在肺動(dòng)脈瓣狹窄診斷與鑒別診斷中具有重要的價(jià)值。
