本科论文4.2.3删除数据功能实现…224.2.4修改数据功能实现234.3本章小结245系统测试.255.1测试计划255.2测试用例255.3测试结果265.4本章小结26总结与展望。27致谢.28参考文献29

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摘要对于火力发电厂，给煤机是火电厂燃料供应的重要辅机，现实中因给煤机变频器低电压保护动作跳闸而引起锅炉MFT动作，产生非计划停机已经多次发生，对电网稳定造成一定的影响，给运行电厂造成...

本科论文摘要门禁系统是一种面向人们生活的社区，家庭，旅馆等地方，并且可以通过一个锁一张卡进行独立管理，或者一个锁多张卡进行集中管理的系统。本文设计了一种使用方便，安全性高的基于单片...

Smart Tea Brewing System Based on Wifi CommunicationPhysics undergraduate 2011 class 1 Chunyan LiSupervisor Hui FangAbstractWith the improvement of people's living standard,many pe...

Research on the new anti icing technology of aircraftABSTRACTWith the continuous progress and renewal of the times,the status of aircraft in people'sdaily life continues to improve...

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北京航空航天大学博士学位论文仅存在金刚石与铁盘之间渗碳的过程，而且还有金刚石表面的硬质点划削作用，抛光过程是一个包括化学反应和机械摩擦的综合，其中硬质点的划削作用在粗抛过程中比较明...

Design and implementation of tourism servicesystemAbstractWith the gradual improvement of the national living standard,it has gradually become apart of people's life to go out and ...

北京理工大学珠海学院2020届本科生毕业设计Design and Implement of Online Shopping SystemAbstractWith the popularity of computer networks,the rise of e-commerce,and thegradual improve...