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。
A young man bends over the liver and peels off the membrane so he can take it home to make a traditional drum.
一位年轻人把鲸的肝脏弯了过来并把薄膜撕了下来，因而他可以把那薄膜带回家做一个传统的鼓。
For example, to model the sound of a drum, there would be a formula for how striking the drumhead injects energy into a two dimensional membrane.
举例来说，对于模拟鼓声，将有一个公式阐明敲击鼓面加添能量到二维的膜。
Tympanitis medical history may cause the drum room canyon department formerly to drill the membrane plump proliferation to shut discussed.
既往中耳炎病史可使鼓室峡部钻膜肥厚增生而闭谈。
It is you own Energy that will resonate with the Canvas of the drum and let the delicate membrane vibrate until a sound is heard Within.
与鼓共振的其实是你们自己的能量，就让那股微妙的能量之膜振动吧，就像鼓上帆布的振动一样，直到你们能听到内在的声音。
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。
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 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；
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