flat grade

例句：

1. 1. The company has a flat gradesystem for its employees.
   该公司对员工实行平级制度。
2. 2. The new manager is expectedto have a flat grade in the department.
   新任经理预计将在部门内获得平级职位。
3. 3. The students are ranked by theirflat grades in the competition.
   学生们根据他们的平级成绩在比赛中排名。