1 高寒山地环境特点及对人体的危害高寒山区多为连绵起伏的高山大川,峡谷深,河流急,有部分亚热带山岳丛林、草原及雪区。地貌复杂,地势险峻,地标不良,绿色植被稀少,风大沙多,地广人稀,多为少数民族居住地,语言不通,社情复杂,交通极为不便,给遇险飞行人员的自救及搜索营 Alpine mountain environment characteristics and harm to the human body Alpine mountainous areas are mostly rolling mountains and valleys, deep gorges and rivers, with some subtropical mountain jungles, grasslands and snow areas. Complex terrain, steep terrain, poor landmarks, sparsely covered green vegetation, sparsely populated, sparsely populated, mostly ethnic minority living areas, language barrier, social complex, traffic is very inconvenient, to the distress flight search and rescue camps