腹腔脏器经腹超声检查最常用的探头是()
A.线阵探头
B.凸阵探头
C.腔内探头
D.矩阵探头
E.相控阵探头
参考答案:B
_____ to her own work, she spent little time with her children. [ ]
A. Devoting
B. To be devoted
C. Devoted
D. Having devoted
GSM、WCDMA基础数据中,场景类型字段不可以填写成()
A.A类建筑
B.交通干线
C.深度覆盖
D.人口密集