[KongchangAI]
Unverified85% confidenceFactTime unknown

我国居民区(1类声环境功能区)昼间限值55dB、夜间45dB,交通干线两侧(4类)昼间70dB、夜间55dB,测量数据需对照所在功能区限值才有意义

1
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85%
Confidence
Long-term
Relevance
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