試題詳解

45 衝擊波(shock wave )理論常被用來描述車流運行之不連續(discontinuity )現象，而以號誌化路口而言，下列何種衝擊波型式不會發生?  
(A)後端靜止衝擊波(rear stationary shock wave )
(B)前端靜止衝擊波(frontal stationary shock wave )
(C)往後形成衝擊波{ backward forming shock wave )
(D)往後恢復衝擊波(backward recovery shock wave )