北京理工大学珠海学院2020届本科生双学位毕业论文Financial credit investigation based on blockchain Technology:a casestudy of Guangdong ProvinceAbstractThe economy has developed rapid...

Design and Implementation of Human-ComputerInteraction System Based on Embedded DevelopmentTechnologyAbstract:With with the progress of the times and the development of science,peo...

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 ...

AbstractAbstract:In today's era,the development of computer science is advancing by leapsand bounds.Various high-end computer technologies have gradually matured.People use compute...

目录第一章绪论.1.1研究背景与意义1.2研究现状。第二章开关电源原理与结构…32.1开关电源基础知识32.2开关电源的控制技术.82.2.1电压型控制.82.2.2电流型控制.92.3开关电源芯片LM5117…10第三章...

AbstractIn order to adapt to the growth of enterprise scale,professionaldevelopers developed personnel management system.At the same time,enterprises also attach great importance t...

AbstractWith the rapid development of computer and calculation methods,almost alldisciplines are towards quantification and accuracy.When the theoretical model iscomplex or even th...

购物车管理系统的设计与实现摘要购物车管理系统是典型的信息管理系统之一，购物车的使用在电商中应用广泛，是买家和卖家进行订单数据交流的必备场所，为了提高购物车的管理效率和服务水平，购物...

目录摘要..。引言..1系统的架构及开发工具.·31.1网站架构.....1.2开发工具..1.3PHP技术介绍..41.4数据库的选择2系统的基本分析..·....2.1需求分析2.2可行性分析...2.3业务流程分析..52.4数据...

本科论文6.2给水管道的安装.116.3建筑给水系统设计计算126.4给水系统图…147建筑排水系统设计157.1系统的选择157.2排水管材的选择.157.3排水系统计算157.4排水系统图16结论…17参考文献…18附录...