目录1绪论.11.1选题的目的及意义11.1.1网站开发背景….11.1.2网站开发意义.11.2国内现状及发展趋势.21.3可行行分析21.3.1经济可行性213.2技术可行性。21.3.3操作可行性21.3.4社会可行性31.4研究...

本科论文7.2管段水力计算197.3最不利管路计算208管道保温及消声隔振.228.1管道保温.228.2消声隔振.22结论..23参考文献.24附录1冷负荷计算表26附录2水力计算表33致谢38

查表明该系统不但完全满足该学校库存管理的需求，并且极大的提高了库存管理的能力。同时该系统软件操作简单，界面友好，占用计算机资源较少，升级较易，所以在系统的开发和测试阶段速度快、效率...

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AbstractThis thesis aims to solve the imperfect problem of the existing technical communication community website,and takes various existing communities as the main research object...

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(1)根据水质传感器采集的数据，自动调节控制设备，保证养殖过程中水质环境最佳：(2)对水产养殖过程实施安全监管：(3)控制液晶屏实时显示，并将水质和视频数据通过GPRS(General PacketRadio Serv...

With the rapid development of network information,computers gradually attract people'sattention,and network media are also favored by more and more companies.Among them,websites ar...