Thesis point out : agricultural product market information system construction lag behind on market for farm products construction , scale of market for farm products , institutionalized degree low grade factor influence market for farm products collecting and distributing and transmitting the function to information relatively . agricultural product stronger in price fluctuation , dependence and a low one getting dispersed , in the forming process of and the price of agricultural product : basic price form with market , producing area price can reflect person who consume - price etc . factor weaken price direction function of information . agricultural product supply and marketing chain does not cooperate in the play chess state that caused inside system reasonless behavior of participant and feedback mistake of message understand 指出：农产品市场信息体系建设滞后于农产品市场建设、农产品市场的规模化、制度化程度较低等因素影响了农产品市场对信息的集散和传递功能；农产品价格较强的波动性、相关性和较低的离散性，以及农产品价格形成过程中：基础价格形成与市场之外、产地价格不能反映消费地价格等因素弱化了价格信息的导向功能；农产品供销链的非合作博弈状态造成内部参与者的系统非理性行为和对反馈信息的错误理解。
Based on the research of the core technology such as system structure of three - layer application and access to ado database , it develops the sub - system of engineering quotation in the first quarter of the information management system for engineering enterprises in intellectualized construction , and puts this sub - system into the managing of enterprises , solving problems once in the quotations from enterprises like slow response , management disorder of engineering documents and bad confidentiality of price information 在基于三层应用体系结构及ado数据库访问技术等核心技术的研究基础上，完成了智能建筑工程企业信息管理系统一期工程中的工程报价子系统的开发工作，并应用到企业管理工作中，解决了企业原报价工作中存在的报价速度慢、工程资料管理混乱和价格信息保密性差等问题。
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