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数对激光照射区及热影响区的影响，为激光加工PCB板工艺改进提供了重要的依据。本文建立了可行的激光加工过程二维温度场的动态模拟分析方法，为优化激光加工工艺和激光参数，提供了理论依据和指...

ABSTRACTChina is a major agricultural country,and agriculture is particularly important in productionand daily life.In the cultivation of mountainous areas and household agricultur...

目录4.4报警电路流程图.314.5信号采集电路流程图32第5章结论与展望34致谢…35参考文献…36附录A主要源程序代码.…37附录B电路总体原理图.43

AbstractWith the rapid development of aquaculture,traditional pond aquacultureis being replaced by factory aquaculture.The key technologies of factoryaquaculture mainly involve int...

基于UG的工艺模型三维标注系统开发Development of Three-dimensional Annotation System for Process ModelBased on UGAbstractThe ability of 2D engineering drawings to express information...

business layer and improve scalability.Hibernate framework separates data persistence Layer business from data,reducescoupling and improves system efficiency.The personnel salary m...

江苏科技大学本科毕业设计〔论文)目录第一章绪论1.1选题的目的和意义1.2空调技术国内外发展现状1.2.1国外现状1.2.2国内现状.....1.3发展趋势.......2第二章工程概况和原始资料2.1工程概况.........

Structural design of stir and coverAbstractMilk tea is more and more popular among young people,but the production processof milk tea is relatively complex,which is manually operat...

常州信息职业技术学院电子与电气工程学院毕业设计论文毕业设计（论文）任务书专业电气自动化班级姓名一、课题名称：基于PLC的自动售货机设计二、主要技术指标（或基本要求）：FX2N-48MT型号PLC:...