A----------abscessofkidney肾脓肿acoustic听神经瘤acutepancreatitis急性胰腺炎analog模拟analog/digitalconverter模拟/数字转化器angiographyofspinalcord脊髓血管造影angioma血管瘤angiomyolipoma血管平滑肌脂肪瘤anteriorcerebralartery,ACA大脑前动脉anterior