消除切片(断层)厚度伪像应选择以下哪项技术
A.高密度、多阵元高频探头
B.多焦点聚焦探头技术
C.环阵聚焦探头
D.三维空间聚焦技术
E.以上技术均不正确
参考答案:A
The two men discussed and came to ____________ conclusion that the helicopter would take _______________ place of the car some day.
A./; /
B.a; the
C.a; /
D./; the
airmagnet软件能进行()等内容的测试分析。
A.空口吞吐量
B.干扰
C.隐藏节点
D.以上都是