59.下列何種狀況下,無法增加超音波之橫向解析力(lateral resolution)?
(A)縮窄波寬(beam width)
(B)聚焦
(C)增加頻率
(D)減少頻寬(bandwidth)
答案:登入後查看
統計: A(311), B(96), C(287), D(849), E(0) #1042519
統計: A(311), B(96), C(287), D(849), E(0) #1042519