AbstractOnline second-hand book sales is a recently popular e-commerce activity.Merchantsoften reduce prices on some specific holidays,allowing large quantities of users topurchase...

AbstractSince the reform and opening up,China's rapid development has driven a large numberof privately owned supermarkets.But with the development of the times,people's life rhyth...

北京理工大学珠海学院2020届本科生毕业设计Design and implementation of computer network examination system--server sideAbstractTechnology is no the same every day,and information tec...

Research and implementation of campus website based onAndroidAbstract:with the rapid development of network technology,the website,as the only way forusers to browse information,ha...

广东东软学院本科生毕业设计（论文）AbstractWith the rapid development of 3D animation,the position ofscene design becomes more and more important.Its design style andspatial structu...

北京理工大学珠海学院2020届本科生毕业设计

AbstractWith the improvement of people's living standards,the pursuit ofspiritual life has become an inevitable demand,and games are part ofspiritual life.With the advent of the th...

and clear and vivid drawing.KEY WORDS:Excel,partial differential equations,numerical solution目录1绪论……1.1研究背景和意义11.2国内发展与研究现状义1.3本文主要工作……22 Excel软件....

Design and implementation of the beacon calligraphy andpainting auction systemAbstract:Under the leadership of this information technology development ,the network platform bringse...

图1无人旋翼机结构主支撑架垂直于地面，螺旋桨发动机及旋翼安装在主支撑架上，由两侧两个主轮共同支撑，前轮辅助支撑，发动机推力在飞机对称平面内且与机体轴纵轴平行，两片桨叶跷跷板式旋翼，...