中文摘要：

为提高天津地区作物病虫害防治水平,以Flex和.NET Framework为开发框架,Flex Builder 3.0和Visual Studi0 2008为开发工具,SQL Server 2008 Express为数据库管理系统,FMS为交互媒体服务器,采用B/S体系结构,设计开发了一个高实时性、高集成度和高分布性的作物病虫害专家在线视频诊断系统.该系统性能稳定,用户使用方便,安装维护简单,可以实现作物病虫害专家与就诊用户之间的远程视频音频诊断会话和文本诊断会话,有效地提高病虫害防治水平.

英文摘要：

In order to improve the prevention and control level of crops pest and disease in Tianjin district,a crop pest and disease expert-online video diagnostic system based on B/S mode with high real time,high integration and high distribution was designed by using Flex and.NET Framework as the development frameworks,Flex Builder 3.0 and Visual Studio 2008 as the development tools,SQL.Server 2008 Express as the database management system,FMS as the interactive media server.With stable performance,the system was easy to use and simple to install,could support the remote video and audio diagnostic sessions,and text sessions between experts and users of crop pest and disease.It can effectively improve the level of prevention and control of pest and disease.