Results After 5~10 years follow-up, external auditory canal was eumorphism, drum membrane was keeping physiological obliquity, epitympanum has not depressed;
结果经5年以上（最长10年）随访观察，外耳道形态正常，鼓膜保持生理倾斜度，上鼓室无凹陷；
Results as the graft materials in tympanoplasty, tragus perichondrium and temporal muscular fasciae are effective to enhance the efficiency of drum membrane and audile of patients.
结果应用耳屏软骨膜及颞肌筋膜作为鼓膜移植材料，两者在提高鼓膜成活率和患者听力方面均效果良好。
When someone beats a drum, it is the flexing of the membrane on the drum, first deflecting then rebounding, which causes the sound waves that we can hear.
当某人敲了一下鼓，是鼓面的伸缩，先压缩，然后反弹，由此制造了我们能听到的声波。
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