常见例句双语例句Objective To explore the assessment of transcranial Doppler sonography (TCD) for the vertebral artery type of cervical vertebra syndrome in the elderly.目的探讨经颅多普勒超声（TCD）对老年人椎动脉型颈椎病的诊断及疗效评定价值。 返回 vertebra artery type