AbstractThe progress of reform and opening up has greatly widened the machinery industryin our country,and the gap between excavator-related production and manufacturingtechnologie...

本科论文摘要毕业设计是我大学四年的学习生涯中最后一个主要环节，也是最重要的一个环节。通过毕业设计，我可以综合应用所学习过的基础课，技术基础课及专业课知识和相应技能等。毕业设计是一次...

目录13言12电子商务面临的安全风险12.1电子商务概述12.2电子商务安全风险12.2.1信息风险.12.2.2信用风险.22.2.3管理风险.….22.2.4投资风险…。.22.2.5法律风险…0.32.2.6财务风险.33电子商务风...

Confrontation between Law and Belief fromDead Man WalkingABSTRASTLaw is a general term for the form of law,second only to the constitution.It is made by the national legislature,by...

北京理工大学珠海学院2020届本科生毕业设计诚信承诺书本人郑重承诺：本人承诺呈交的毕业设计《吉利帝豪轿车离合器设计》是在指导教师的指导下，独立开展研究取得的成果，文中引用他人的观点和材...

Process Design of Acrylic Acid with Annual Output of80,000TonsAbstractThe design is to use propylene direct oxidation method to produce acrylic acid,also known as propylene two-ste...

if it is not.This topic expands to complex numbers through the number field,sorts outthe changes in the properties of some elementary functions,and compares the differencesand conn...

某阀门生产企业变配电系统设计AbstractElectricity is the key driving force of contemporary machinery and industrialproduction.Electromagnetic energy is not only easy to convert or re...

AbstractIn order to adapt the enterprise to the product manufacturing day by day strictmanagement request,simultaneously promotes enterprise's productive forces level andthe produc...

Market demand analysis of data backup systemsAbstract:In the era of rapid growth of information data,the backup and recovery technology of filescan improve the security of data,so ...