Write once a week. Under normal circumstances, scientific research records must be timely, true, accurate, and complete. Any alteration or selection is not allowed, and it is strictly prohibited to forge, tamper with, or hide experimental data. Starting from the second semester of postgraduate enrollment, scientific research records must be written at least once a week. Each record shall not be less than four pages, and the time and place of the record shall be marked, and Reports must be made to the instructor every two weeks and will be reviewed and signed by the instructor. Scientific research refers to a series of activities such as investigation and research, experiments, and trial production carried out in order to understand the inherent nature and movement laws of objective things using scientific research methods and equipment.