Design of Communication QQ Chat Software SystemBased on TCP ProtocolAbstract:With the rapid development of science and technology.People's daily communicationmethods are also const...

论文摘要ABSTRACTThe thesis introduces a kind of single-pulse-reflection double--ultrasonicsensors distance measurement system design in detail based on the AT89C51SCM.The specific ...

碉·溯

创见性声明本人声明：所呈交的毕业论文是本人在指导教师的指导下进行的工作和取得的成果，符合学校及学院的毕业论文管理规定，论文中所引用的他人已经发表或撰写过的研究成果，均加以特别标注并...

西南科技大学本科毕业设计（论文)学术诚信声明本人郑重声明：所呈交的毕业设计（论文），是本人在导师的指导下，独立进行研究工作所取得的成果。除文中已经注明引用的内容外，本论文不包含任何...

目录引言.1系统分析…1.1需求分析1.2可行性分析1.3功能分析1.4开发步骤，2系统设计.…2.1概述…2.2系统的数据流图2.3系统的功能2.4数据库设计2.4.1数据库需求分析2.4.2概念设计.….....2.4.3数...

四川大学锦江学院毕业论文（设计）绪论家具是人们生活方式的一种体现，是一种阶段、一方地域的信息文化载体，是融合了历史、文化、科学、美学等众多学科为一体的媒介。它在人们的衣，食，住，行...

paper,MQ-4 gas sensor is selected as the signal collection tool of combustible gas.The collected analog voltage can be transformed into the function of digital signal byMCU.After t...

AbstractThis paper mainly studies the security technology needed by enterprisenetwork and the construction of enterprise network.The significance ofdiscussing the background of the...

本科论文AbstractWith the continuous progress and change of the times,industrial enterprises are alsoconstantly developingThe demand for oxygen,argon and carbon dioxide is increasin...