34 超音波的側解析度(lateral resolution),取決於下列那一個最適合的參數?
(A) transmitter pulse length
(B) beam width
(C) beam energy
(D) beam frequency
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統計: A(34), B(138), C(5), D(27), E(0) #1097803
統計: A(34), B(138), C(5), D(27), E(0) #1097803