求翻译：上高中时，他发现同学们离不开三大件物品：硬抄笔记薄、液晶钟表和平面镜，便萌发了要把这三大件组装的想法。2009年9月，他专心多功能笔记薄的研究。经过几年努力，张鼎成功把液晶显示器钟表、迷你梳妆玻璃镜和硬抄笔记薄组装在一起，发明了多功能笔记薄。2011年11月30日，他发明的多功能笔记薄被国家知识产权局授权，并获得了国家知识产权局颁发的专利证书。是什么意思？

In high school, he found that the students can not be separated from the Big Three items: hard copy notes thin, LCD clocks and mirror, the germination of the idea should be this three-piece assembly. In September 2009, he concentrate on multifunctional notepad research. After years of hard work, Zha

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正在翻译，请等待...

In high school, he found that students rely on three articles: thin, hard copy notes LCD clocks and mirrors, germination of the idea of three piece assembled this. In September 2009, he concentrated study on multifunctional thin notes. After several years of effort, Zhang Ding successful watches, mi