本科论文5.2.1用户建立订单.345.2.2用户取消订单345.2.3管理员处理订单.4345.2.4管理员取消订单.355.3性能测试…365.4本章小结…37结论39致谢.40参考文献.41

1、PLC控制系统的设计分析任何一种控制系统都是为了实现被控对象的工艺要求，以提高生产效率和产品质量。因此，在设计PLC控制系统时，应遵循以下基本原则：1、1最大限度地满足被控对象的控制要...

毕业论文〔设计)contracts.It is important to ensure that the translated international business contractsare not only linguistically accurate,but also in conformity with the purpose ...

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ContentsAbstract in English4Abstract in Chinese41.Introduction52.Politeness52.1 The Definition of Politeness..................................52.2 Politeness Principle (PP)and Its ...

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Abstract:This design is to study the design problem of the electriccontrol system of Z3040 drilling machine commonly used in machining.The aim is to realize the working process:pre...

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