LTE下，用户通过（）方式进行认证
A.AKA
B.EAP-SIM
C.CHAP
D.EAP-AKA
参考答案：D
“寒极生热，热极生寒”主要说明的是
A．阴阳平衡B．阴阳对立C．阴阳消长D．阴阳互根E．阴阳转化
In which of the following countries does Lampell have no subsidiary().
A.Britain
B.France.
C.Germany.
D.Japan.
