LTE网络SON的研究主要涉及到()和()两个工作组。
参考答案:RAN3,SA5
— What's a beautiful coat you're having!
— ______. [ ]
A. No, thanks
B. Thank you
C. Yes, it is
D. Sorry, it isn't
子宫收缩乏力可导致
A.胎盘剥离后滞留B.胎盘嵌顿C.胎盘粘连D.胎盘剥离不全E.凝血功能障碍