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1·The acoumeter can reduce the proportion and degree of noise.

测听计可以降低噪声的比例和程度。

2·Results The acoumeter can reduce the proportion and degree of noise-induced hearing loss via test and calibration. and the quick screening part has been inspected for measurement.

结果经过试验与标定，该仪器能降低强噪声引起听力损伤的比例和程度，听力损伤的快速筛查部分通过计量检定。