一、背景及意义在我国，县域经济是社会经济功能比较完善的基本单元，是实现国家对整个经济活动进行监控的重要环节。县域经济既是城市经济与乡村经济的结合，又是宏观经济与微观经济的结合，综合性职能很强，是一个非常重要、非常关键的层次。一个县有没有明确而切实可行的可 I. Background and Significance In our country, the county economy is the basic unit with relatively perfect social and economic functions and an important link for the state to monitor the entire economic activity. County economy is not only the combination of urban economy and rural economy, but also the combination of macro-economy and micro-economy. The comprehensive functions are very strong and it is a very important and crucial one. A county has no clear and practical