The fourth part is the focus of this paper, that is, with his last few years of teaching experience and teaching sentiment, with the implementation strategy of teaching specific case study;

第三部分是本文的重点，即结合自己这几年的教学经验和教学感悟，结合教学案例研讨具体的实施策略；

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These individuals together have extensive experience conducting large trials, are widely respected clinical scientists, had overcome considerable challenges in the implementation of the study, and had no stake in the outcome.

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