以科技宣传　促经济振兴辛光武一、改变经济落后面貌。需要科技普及宣传我国西部的青海，位于高寒地带，在７２万平方公里高原上，除湟河谷地与柴达木盆地海拔在二三千米之内，大部分地区海拔均在三千米以上直至四千五百米，山地、丘陵和戈壁沙漠占６４．３％，全年平均气... Promoting Economic Rejuvenation through Science and Technology Xin Guangwu First, to change the economic backwardness. Need to popularize science and technology Qinghai in western China, is located in the alpine zone, in 720,000 square kilometers of plateau, in addition to Qiong Valley and Qaidam Basin elevation of two to three kilometers, most of the region above 3,000 meters above sea level until Four thousand five hundred meters, mountains, hills and Gobi desert accounted for 64.3%, the average annual gas ...