常見例句雙語例句The wind-drift sand land is both an available land resource and a source of pollutants of environmental pollution.風(fēng)沙化土地既是可利用的土地資源,又是環(huán)境污染的物質(zhì)源地。The classification of coastal dunes is the most important basic problem in the research on the landscape of the wind drift sand in coastal region.海岸沙丘分類一直是海岸風(fēng)沙地貌研究的重要基礎(chǔ)問題之一。We studied the wind regime and calculated the sand-drift potential atop the Mogao Grottoes based on wind data recorded by the automatic meteorological station from 1998 to 2001.以1998—2001年莫高窟窟頂自動氣象觀測站記錄的風(fēng)資料為基礎(chǔ),通過對風(fēng)況的統(tǒng)計和輸沙勢的計算,從風(fēng)沙環(huán)境特征闡明了研究區(qū)主要受西北、東北和偏南三組風(fēng)向共同作用。 返回 wind drift sand