RNC与MGW通过ATM方式进行对接时,不需要两端一致的参数是()
A.ATM地址
B.内部VPI/VCI
C.信令链路的SLC
D.AAL2链路的PATHID
参考答案:B
Teacher: Does anyone know the famous writer was born?
Mei-ling: I know! In Taitung, right? Teacher: You got it!
A.how
B.when
C.where
D.whether
属于伴发征象的是()
A.硬膜囊和神经根受压变形、移位、消失
B.椎间盘超出椎体边缘,软组织块影与椎间盘影相连续
C.椎体后缘骨赘、小关节突增生、中央椎管及侧隐窝狭窄
D.椎间盘超出椎体边缘,在椎间盘平面以外的层面也可显示
E.椎间盘超出椎体边缘,与椎间盘失去连续性,除了在一个层面移动外,还可上下迁移