I need to give Mum aring and tell her Iwill not be back for dinner.

我要给母亲打电话告诉她不归去吃晚饭了.

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Objective : To understand the value of using distortion product of otoacoustic emissions ( DPOAE ) in monitoring noise aring - loss.

摘要:目的: 了解畸变产物耳声发射 ( DPOAE ) 在监测噪声性聋方面的应用价值.

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