traffic noise impact index
traffic noise impact index
交通噪音影响指数
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Based on the old evaluating methods of road traffic noise, the traffic noise integrated impact index was proposed, the unsteady characteristic of road traffic noise was considered.
在分析既有环境噪声评价方法的基础上，根据交通噪声非稳态性的特点，提出了交通噪声综合影响指数的概念。
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