27.下列何者不是影響超音波影像側向解析度(lateral resolution)的因子?
(A)頻率(frequency)
(B)口徑(aperture)
(C)與換能器的距離(distance from the transducer)
(D)脈衝循環數(number of cycles in the pulse)
答案:登入後查看
統計: A(359), B(276), C(546), D(1359), E(0) #1740968
統計: A(359), B(276), C(546), D(1359), E(0) #1740968