产品经过检查并根据质量进行分级。
The products are inspected and then ___graded according to their quality.
教师根据详细的评分标准对学生的作业进行分级。
Teachers ___grade student assignments based on a detailed rubric.
公司采用复杂的系统每年对员工的表现进行分级。
The company employs a complex system to ___grade employees' performance on an annual basis.