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AbstractIn this paper,a detection method of helmet wearing behavior based onmachine learning is used to extract feature vectors of samples by using haarfeatures,and then a cascade ...

目录引言1开发方法和开发工具21.1系统开发方法.21.2系统开发工具..31.2.1前台开发工具31.2.2后台数据库简介.32系统需求分析….32.1系统可行性分析32.2系统框架分析.32.3系统性能分析.….53系统...

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AbstractThe duration of the construction period of the project determines the uniquecharacteristics of the construction period.The optimization and improvement of theproject durati...

AbstractProgrammable controllers(PLCs)are widely used in industrial control such asCNC machine tools.The control part of CNC machine tools can be divided into twoparts:digital cont...

Research on the current situation and Countermeasures of the teachingof reading novels in senior grade of primary school-Taking primaryschool in S city as an exampleAbstract Under ...

北京理工大学珠海学院2020届本科生毕业设计AbstractWith the development of enterprise management informatization,the application ofoffice supplies application as one of the daily oper...