This thesis was carried out basing on the seals automatically reorganization project in a information science company of chongqing municipalization . in the paper , based on the analyzing of the mathematical models and their algorithms of kinds of artificial neural networks ( ann ) , the author analyzed the algorithm of the back - propagation ( bp ) networks model , at the same time , the author improved the algorithm practically and effectively , and applied it in the recognition technique of digital image successfully 本文的研究工作是结合市内某信息科技公司的“印鉴自动识别系统”研发项目开展的，作者在深入分析了人工神经网络的各种数学模型及算法的基础上，重点剖析了前馈神经网络的算法思想，对其进行了实用、有效的改进，并将它成功的应用于“图象识别技术” ，取得了较为满意的成果。
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Finally , the writer proposes the countermeasures for coordinating the development between the core region and its hinterland with the urban area . namely to construct the perfect city - rural system , to promote municipalization , to accelerate the infrastructure construction of the core region , to abroad the city space reasonably and to optimize the industry structure and layout . it is a certain article for reference 最后，作者提出在城市地域之内核心区与腹地协调发展的对策:构建完善的城镇体系、推进城市化进程、加快核心区基础设施现代化建设、适度扩展城市空间及优化产业结构与布局，上述建议对相似区域解决此类问题有一定的参考价值。
