I摘 要关键词:JAVA;留守儿童;关爱系统;B/S 架构;Spring BootIIABSTRACTKey words:JAVA; Left-behind Children; Care System; B/S Architecture Spring BootIII目 录第 1 章 绪论.......................................................................................................................................11.1 系统研究背景......................................................................................................................11.2 系统研究目的.........................................................
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