阿拉善军分区各部队驻守在巴丹吉林、腾格里、乌兰布和沙漠及戈壁滩上,担负着700公里边境的守卫任务。这里气候恶劣、风沙大、风期长,每年7级以上的大风就有80多天,夏季地表温度高达60℃,冬季极端温度零下40℃。气候干燥,水源缺乏,年降雨量为40毫米左右,蒸发量3000毫米以上。正象当地人们形容的那样,“天上无飞鸟,地 Alashan Army Division units stationed in Badain Jaran, Tengger, Ulan Buh Desert and Gobi Desert, responsible for the 700-kilometer border guards. The climate here is harsh, the wind and sand are big and the wind period is long. There are more than 80 days of gale every grade 7 or more. The summer surface temperature is as high as 60 ℃ and the winter extreme temperature is minus 40 ℃. Dry climate, lack of water, the annual rainfall of about 40 mm, evaporation of more than 3000 mm. As the local people describe it, "there are no birds in the sky, no earth