论文部分内容阅读
西藏那曲地区位于西藏自治区北部,平均海拔4500米以上,属亚寒带气候,高寒缺氧,年平均气温零度以下,空气含氧量不足平原的50%,被称之为“世界屋脊的屋脊”。在这里生活时间稍长一些的人,都脸色发紫,嘴唇乌黑,指甲凹陷,不同程度地患有血色素增高、高血压、心脏扩大等高山性疾病。那曲的一位领导曾讲过:“谁在那曲县种活一棵树,只要成活3年,奖励三万
The Nagqu region of Tibet is located in the northern part of the Tibet Autonomous Region with an average altitude of over 4,500 meters. It belongs to sub-tropical climate, cold and anoxic, with an annual mean temperature below zero and less than 50% of the air’s oxygen content. It is called “Roof of the Roof”. People living here for a longer time are purple, dark lips, nails depression, varying degrees of suffering from elevated hemoglobin, hypertension, heart enlargement and other mountain diseases. One of the leaders of Nagqu once said: "Whoever plants a tree in Nagqu County, as long as 3 years of living, 30,000 reward