河中沙丘 的英文怎麼說
中文拼音 [hézhōngshāqiū]
河中沙丘
英文
hurst-
This paper, based on the grain - size analysis and the comparative result of the mz - o scatter gram of ancient aeolian sands in milanggouwan section with the modern dunes in mu us desert, holds that fossil eolian dunes are a proxy of the dune activation, and be regarded as " desert process ", while the overlying fluvio - lacustrine and palaeosols on the dunes are regarded as inter - desert process
文中根據粒度分析及古今砂丘的mz ?散點圖比較結果，認為古代風成砂丘特別是古流動砂丘是砂丘活化的體現，視為「沙漠期」 ，而砂丘上覆的河湖相沉積與古土壤發育則可視為「間沙漠期」 。The central plain, which is broken in places by low hills, is extensively covered with glacial deposits of clay and sand
被低矮的丘陵分割的中心的平原覆蓋著冰河時期留下的粘土和沙子的堆積物。There are eight large deserts and four large sandlots in china. the area of keerqin sandlot is biggest of the four sandlots. and it lies in the west part of northeast china, the transition zone of inner mongolia plateau and northeast plain, and is the transition areas of daxingan mountain knap zone and west liao river plain, the interleaving section of agriculture and pasture in east china
我國有八大沙漠和四大沙地，科爾沁沙地在四大沙地中面積最大，它位於我國東北地區西部，地處內蒙古高原向東北平原的過渡帶，是大興安嶺西南丘陵區向西遼河平原過渡區和我國東部的農牧交錯區。Meanwhile the ecological problems caused by lack of water are becoming very serious, such as the intermittent of river, the descent of underground water, the degeneration of vegetation, the expansion of desert, the oasis around downstream of black river and stone sleep river which have been the main seminary of dust storm in north china
水資源短缺將嚴重影響到區內經濟發展和人民生活水平的提高，同時因缺水導致的河道斷流、地下水位下降、植被退化、沙丘活化、荒漠化等生態環境問題不斷加劇，特別是黑河、石羊河流域下游綠洲退化嚴重，已成為中國北方沙塵暴的主要發源地。分享友人