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...

Intelligent Flowerpot Control System Based on STM32Abstract:With the rise of people's quality of life,more and more people pursue a more intelligent andconvenient way of life,which...

into a new series of problems including:particularly severe shortagesof teachers,increased class sizes and a widening gap in t he Englishproficiency levels of university students.T...

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Chinese and Western advertising language also reflect the Chinese and Westernculture in many ways.The company of American P&G named its shampoo'pert-plus'in the United States,being...

Electronic archives management platform of householdadministration based on springbootAbstract:As the management requirements of the Public Security Department of the govemmentfor ...

本科论文4.1.2E物流系统的现状..284.2生产厂家一配送中心之间的运输方案的确定.294.2.1生产厂家一配送中心之间运输考虑的因素294.2.2E物流系统生产厂家与配送中心的基础数据.…304.2.3运输方案...

毕业论文（设计）AbstractThe Gothic tradition has very great influence on the English and Americanliterature,and it has been inherited in novels by many writers.Wuthering Heights is...

本科论文3.5.3总体表设计0133.5.4数据库表结构.144系统详细设计与实现194.1数据爬取阶段..194.1.1高校基础信息的爬取…204.1.2高校专业信息的爬取.214.1.3高校招生信息的爬取.224.1.4其它信息爬...