70.下列那一項無法提高超音波影像之解析度?
(A)減少空間脈衝長度(spatial pulse length)
(B)增加頻寬(bandwidth)
(C)提高品質因子(quality factor)
(D)縮窄波寬(beam width)
答案:登入後查看
統計: A(346), B(506), C(930), D(283), E(0) #2868138
統計: A(346), B(506), C(930), D(283), E(0) #2868138