哪种超声聚焦方法是新发展的技术()
A.晶片凹陷
B.声透镜
C.分段电子聚焦
D.动态实时跟踪和面阵聚焦(矩阵聚焦)
E.动态权中重聚焦
参考答案:D
—What do you think of the blind man?
—I've never seen a man with_________sense of touch.
A.the better
B.a better
C.a good
D.the best
中 * * 党全国代表大会每几年一届?