结果：中耳积液导致鼓膜凸和镫骨底板的振幅减少，使得传入内耳的能量减弱，导致听力损失。
Results: the results showed that the effusion of the middle ear decrease the amplitude of stapes footplate and umbo, weaken the incoming energy of the inner ear, thus leading to hearing loss.
结果利用人耳数值模型进行正常耳和病变耳的谐响应分析，得到正常耳和病变耳镫骨底板和鼓膜凸的振幅变化规律。
Result Amplitude variation laws of the stapes footplate and umbo were obtained by comparing the frequency response analytic results between the normal ear and pathological ear.
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