1. On the technical level, the structure is similar, indicating that if my graduate students do not indicate the source in their academic papers, I am suspected of copying other people's technical solutions. In this technical scheme, the method of replacing circuit chips should also be thought of or done by technicians in the same field without any creative work. On the software level, the law protects its expression. Because the same function of software can be realized by different expressions of code, it does not constitute plagiarism. Plagiarism is not only an infringement, but also a serious academic misconduct. The reasons against plagiarism are: first, without the prior consent of the obligee; Second, the right holder is not named (that is, the source or source is not indicated). Especially the latter, so, no matter whether you use a friend's or a foreign one, as long as the technical scheme in your academic paper is included in the scope of patent technology, you should indicate the source or source, that is, indicate the application number, patent name, patentee and inventor of the patent you cited.