中文摘要：

针对目前提高矿区开采上限方法的缺点,建立了一个基于GIS和BP网络的矿区开采上限预测系统,并结合工程实例验证了系统的实用性和有效性.

英文摘要：

The extraction limit in Mining Area is related to the economic benefit.A prediction system of determing the extraction limit in Mining Area is established based on GIS and BP Network because of many disadvantages presented in traditional method of improving the extraction limit.Combined with practical work,the system＇s superiority is proved.