Or how about the student whose claim that his professor was negligent in his method of handing back graded exams was recognized by a court of appeals as constituting a legitimate cause of action?

又或者这个案件，学生诉称其教授返还打分的试卷的做法疏于职守，而这竟被上诉法院构成了一个合理诉因。

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The technical condition evaluation model for single device was established and the technical condition level was obtained by the simple and feasible integrated graded evaluation method.

其次，建立单设备的技术状态评价模型，通过简单而可行的分级综合评估方法得到单设备的技术状态等级；

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So based on planning idea of bus routes graded, a new planning method of bus network graded and mutual connect underground and free bus transfer junction stations is researched.

因此，本文基于公交线路分级思想，提出了一种分级公交线网与地下互通式免费公交换乘枢纽相结合的公交线网及枢纽规划设置新方法。

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