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河北省张家口市作为经济后发地区,尽管近年来经济增长速度很快,但还处于中下等水平。从地理上看,张家口市是涵养京津水源的重要地区,为保护生态环境,从上世纪90年代开始,逐步限制了如化工、造纸、制药等多种项目的发展,从一定程度上延缓了城镇化、工业化进程。同时,张家口也是国家实施退耕还林、禁牧舍饲、风沙源治理的重点地区,每年
Zhangjiakou City, Hebei Province as a post-economic area, despite the rapid economic growth in recent years, but still at the lower and middle levels. Geographically, Zhangjiakou City is an important area for water conservancy in Beijing and Tianjin. In order to protect the ecological environment, the development of various projects such as chemical industry, papermaking and pharmacy has been gradually restricted since the 90s of last century, and the project has been delayed to a certain extent Urbanization, industrialization process. In the meantime, Zhangjiakou is also a key area where the state implements the policy of returning farmland to forestry, banning animal husbandry, and sandstorm source management. Each year