可实现简单的存取操作，是数据库课设内容，管理员，用户的简单操作(Simple access operations can be implemented)

此压缩文件包含2002年-2017年200多个地级市资本存量的数据，里面有详细的计算过程与说明。(This document contains the capital stock data of more than 200 cities in 2002-2017, including detailed calculation process and descr iption, which is convenient for scholars to understand and master)