1. Use a period at the end of the quoted text. The content quoted is usually between double quotation marks, and double quotation marks end with a period, which is the correct way to quote. If a period is used in the middle of double quotation marks, the text after the period will be regarded as plagiarism. For example, "synchronous digital transmission system is based on quasi-synchronous digital transmission system." After completing the large-capacity transformation of the transmission system, the optical fiber transmission system has developed rapidly. "The text after the first issue will be considered plagiarism.

2. Citation only uses a small number of opinions and arguments in other documents, and never quotes long paragraphs, otherwise it is plagiarism. A short answer, right? If you put the contents of other people's papers into your own papers in large chunks, can this be regarded as plagiarism?

3. If the citation format is correct, the cited part must be marked, and the reference part at the back of the paper should be marked with the serial number consistent with the text. In addition, the source of the quoted text should be strictly marked at the end of the formal paper, including the author, title, publishing house, year of publication, etc. Network articles should be marked with source network, and magazine articles should be marked with periodical number. For example: [25] Wang Feifei. Research on mobile phone malicious code detection and protection technology based on Android platform [D]. Beijing: Beijing Jiaotong University, 20 12, 23-28.

If you still know nothing, you can go to school. Check the paper again, there is more knowledge about the topic of the paper.