短語詞組短語ullrasonic tissue characterization 超聲組織定征myocardial tissue characterization 心髒組織學特性ultrasonsic tissue characterization 超聲組織密度myocardial ultrasonic tissue characterization 心肌超聲組織定征Ultrasound tissue characterization 超聲組織定征Ultrasonic Tissue Characterization 超聲組織定征;是超聲組織定征;超聲組織特征;背曏散射信號檢查Integrared backscatter tissue characterization 背曏散射組織定征 返回 tissue characterization