English format. In graduation thesis, the use of unit brackets should follow international standards. According to the international standard ISO80000-2, the unit brackets should be in English format, so the brackets in the graduation thesis are in English format. Matters needing attention in writing graduation thesis include: paying attention to the rigor and seriousness of the thesis, reasonably controlling the proportion of direct citation and indirect citation, and modifying the format of the thesis according to the requirements of the school.