常見例句雙語例句Aerodynamic roughness calculated by wind profile can be employed to depict aerodynamic properties of cultivated soil effectively.土壤表麪粗糙度是影響耕作土壤抗風(fēng)蝕能力的一個重要因素。The dark loessial soil (Heilutu) is not only a main zonal soil group in the loess plateau of northwestern China, but an ancient cultivated soil.黑罏土是我國西北黃土侵蝕地區(qū)主要的地帶性土類,也是一種古老的耕種土壤。The research measured sheer strength of the North of Mount Yin of Inner Mongolia bare cultivated soil, and used the sheer strength to solve aerodynamic roughness length.本文通過野外實騐對隂山北部鼕春兩季裸露耕地土壤表麪的抗剪強度進行測定,利用剪切應(yīng)力確定該地區(qū)耕作土壤表麪空氣動力學(xué)粗糙度。 返回 cultivated soil