The zipper has a massive prospect for the costume industry, shoes industry and box industry, reduces the labor intensity of the workers, saves the cost and is used easily.

这种拉链对于服装、鞋业及箱包业具有广阔的使用前景，而且降低工人的劳动强度，节约成本，使用方便。

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Now the FHWA model used in traffic noise prediction get the number and type of vehicles by artificial way, the labor cost is high and the statistical value often not very accuracy.

目前交通噪声预测使用的FHWA模型在实际应用以人工方式来统计通过的车辆数和车型，人工成本高，统计值容易产生偏差。

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Now the FHWA model used in traffic noise prediction get the number and type of vehicles by artificial way, the labor cost is high and the statistical value often not very accuracy.

目前交通噪声预测使用的FHWA模型在实际应用以人工方式来统计通过的车辆数和车型，人工成本高，统计值容易产生偏差。

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