馬蹄參 的英文怎麼說
中文拼音 [mǎtíshēn]
馬蹄參
英文
diplopanax stachyanthus-
There are two types of horses that compete in harness racing : one is the pacing horse, which moves both legs on one side of its body at the same time, and the other is the trotting horse, whose left front and right rear leg move forward at the same time, then right front and left rear leg move together
而參加輕駕車賽馬的馬兒也分為兩種：一種稱為溜蹄馬，步行時，位於身軀同側的雙腿會同時動作；另一種稱為快步馬，奔跑時，先以左前足和右後腿同時開跑，再以右前足和左後腿跟上。Abstract : an experimental investigation of local scour around a new type bridge pier under a clear water regime is presented. the main characteristic feature of flow is relatively large horseshoe vortex flow along the circumference of the pier. and the procession of scour is discussed in this paper. equation for predicting the depth and area of local scour hole is presented. it is significant for evaluating the potential for scour around this type pier
文摘:介紹了一種新型橋墩即多腹薄壁墩的局部沖刷試驗成果.認為橋墩周圍的水流以繞流橋墩的相對較強的馬蹄型漩渦系為主要特徵.並討論了沖刷過程，給出了預測沖坑深度及大小的關系式，可供估算同類型橋墩的沖刷參考
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