This removes the need for the manual closing of resources, which has proven very error prone in practice.
这减少了手动关闭资源的需要，在现实中非常容易出错。
You tried to run a query after closing the connection to the server. This indicates a logic error in the application that should be corrected.
服务器关闭连接后，试图向服务器发送查询，这表明必须修改应用逻辑错误。
Automatic searching polygon is one of essential algorithm in GIS spatial analysis and important used in cadastral treatment and closing error of traverse network calculation.
多边形的自动搜索是GIS空间分析的基本算法之一，同时也在地籍拆宗、导线网闭合环的闭合差计算等领域有着重要的作用。
Automatic searching polygon is one of essential algorithm in GIS spatial analysis and important used in cadastral treatment and closing error of traverse network calculation.
多边形的自动搜索是GIS空间分析的基本算法之一，同时也在地籍拆宗、导线网闭合环的闭合差计算等领域有着重要的作用。
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