Conclusion: the success of radical mastoidectomy lies in improving hearing and the rate of dry ear.

结论：手术成功的关键在于彻底清除病变的基础上提高听力和干耳率。

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Conclusion IBM combined with posterior tympanum is a good choice for preserving or improving hearing based on eradication of the focus among patients with chronic suppurative otitis media.

结论在根除病灶的基础上保存并提高听力，IBM合并后鼓室径路为慢性化脓性中耳乳突炎外科手术的合理选择。

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Why: Showing that you’re interested in hearing the truth and improving yourself gives your boss the signal that you can handle constructive criticism.

原因：要显示出你非常愿意听真实情况并且乐意改变自己，这是给你的上司传递一个信号：你可以处理好这样建设性的批评意见。

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