canyon wind 中文意思是什麼
canyon wind
解釋
峽谷風-
It is the power of rushing water, rain, snow, heat, frost and wind that has created this canyon. the erosion process has taken 3 to 6 million years to sculpture the grand canyon, and is still going on
雄偉的大峽谷其實完全是由於大自然的風吹雨打冷熱煎熬等等侵蝕作用雕鑿而成，它經歷了300至600萬年才形成今日的面貌，而大自然的侵蝕力量仍會不斷持續下去。 -
Under different wind speed conditions, the dispersion characteristics of vehicular pollutant within a single driveway street canyon of 3 : 1 ratio of high to width were studied, and the effect of the position and intension of pollutant line source on the distribution and the dispersion of vehicular pollutant within a double driveway street canyon of 3 : 2 ratio of high to width were discussed
對不同風速條件下高寬比為3 : 1的單車道街道峽谷內的機動車排氣污染物的擴散規律進行了研究；討論了在街道高寬比為3 : 2的雙車道街道峽谷內，污染源的位置及強度對街道內機動車排氣污染物分佈及擴散的影響。
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