西部大开发是当前并将是今后一个很长时期的热门话题。我国西部地区地大物博、资源丰富,究竟什么是制约西部发展水平上低于东部的主要因素呢?如果是指高山、沙漠、黄土、冰川等严酷环境和过度放牧、开采和人为破坏造成的恶劣气候,相信不会有多少人产生疑议。笔者以 The development of the western region is currently and will be a hot topic for a long time to come. The western region of China is rich in natural resources and resources. What are the major factors that restrict the level of development in the western region below the east? If it refers to harsh environments such as mountains, deserts, loess, and glaciers, and the harsh climate caused by overgrazing, mining, and man-made destruction, It is believed that not many people will have doubts. The author