你们在不同的年级吗？
They are in the same school, but in different grades.
他们在同一所学校，但在不同的年级。
In ancient China, the promotion, demotion, rewards and punishment of officials, in different grades, were connected with the result of inspection according to the merit system.
中国古代官吏考绩制度根据对官吏的考核情况，分不同的等级，予以升降赏罚。
Results: to know the nurse staff 's situation in Shanghai and put forward the theory ratio of bed to nurse in different grades hospitals.
结果：根据上海市护理人员配置情况，提出上海市各级医院床护比理论配置值。
Teaching in different grades is a new innovation in college computer basic courses teaching that can make students choose proper learning way to gain more knowledge in different situations.
分级教学可以使学生在时间有限、基础有别的条件下，选择适合自己的教学方法，从而获取最多的知识总量，因而是大学计算机基础课程教学改革的一个新方向。
Teaching in different grades is a new innovation in college computer basic courses teaching that can make students choose proper learning way to gain more knowledge in different situations.
分级教学可以使学生在时间有限、基础有别的条件下，选择适合自己的教学方法，从而获取最多的知识总量，因而是大学计算机基础课程教学改革的一个新方向。
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