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地方病与地球化学背景之间存在着密切的关系。故本文分析了地质环境中地球化学特征与地方病分布之间的关系,探讨了地质环境中地球化学特征及水文地质条件与地方病发病之间的联系,旨在为防治地方病提供了一定的环境地质依据。 相似文献
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A system—Asynchronous JavaScript and XML(AJAX)and a Model-View-Controller(MVC)pattern algorithm were proposed for design and implementation of an office automation(OA)system.Adopting the.NET framework as development platform,the system modifies the classic MVC pattern,induces AJAX in the ASP.NET 2.0,and includes several modules,namely login,messaging,notice board,personal work,research management,document management,personnel information and maintenance.We discussed the overall structure of the system,funct... 相似文献
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