28.以都卜勒超音波儀量測血流(blood flow)流動狀況,紊流(turbulent flow)之臨界雷諾數
(critical Reynolds number)約為多少?
(A)100
(B)500
(C)1000
(D)2000
答案:登入後查看
統計: A(49), B(93), C(216), D(491), E(0) #1051147
統計: A(49), B(93), C(216), D(491), E(0) #1051147