wind drift sand

基本解释

The wind-drift sand land is both an available land resource and a source of pollutants of environmental pollution.
風沙化土地既是可利用的土地資源，又是環境汙染的物質源地。
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沙地貌研究的重要基礎問題之一。
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資料爲基礎，通過對風況的統計和輸沙勢的計算，從風沙環境特征闡明了研究區主要受西北、東北和偏南三組風曏共同作用。