1绪论1.1研究背景及意义随着网络的发展，越来越多的资源出现在人们面前，这时候人们就需要一种查询这些资源的方法，一种可以方便快捷获取自己想要的东西的方法。这时候搜索引擎这种搜索工具就出...

AbstractWith the advent of the Internet era,the influence of the computer fieldin business has continued to expand,which has caused a greater impact onthe information storage and m...

AbstractWith the development of modern society,the pace of modernpeople's life is faster and faster,As Benjamin Franklin said three hundredyears ago,time is money.Nowadays,the cost...

校园二手物品交易网站设计与实现摘要校园二手交易作为资源再利用的典型行为，是绿色消费，缓解学生家庭经济压力，推动绿色校园建设的重要途径。伴随着移动互联网和共享经济的发展，在校生对校园...

目录要2引言1第一章、中美双方使用基于手机的电子商务的发展现状21.1、目前美方使用手机的进行电子商务的现状.21.2、目前中方使用手机的进行电子商务的现状2第二章、互联网技术的问题与解决措施...

温度设定，最后是状态显示。下面将进行详细说明：3.1主控制器模块方案1：控制器的形式是CPLD。它能够发挥多个不同的逻辑功能，如宽范围，高密度，小尺寸，高稳定性，丰富的0资源，以及易于扩展...

AbstractWith the development of economy,information technology and intelligentautomation have become more and more the mainstream of the world,and alsothe research direction of sci...

AbstractThe article first introduces the research background and value of DGAdomain names,the characteristics and basic definition of DGA domainnames.Then use the current mainstrea...

AbstractIn recent years,building information model has been widely used and been highly assessed inthe whole field of civil engineering not only because it can co-ordinate all subp...

目录一、绪论…(一)研究背景及意义...1.研究背景....2.研究意义...(二)国内外文献综述..1.国外相关研究...2.国内相关研究..2(三)研究方法....1.文献资料法..32.个案研究法..3(四)相关理论概述…...