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校园环境噪声监测实验报告

上传者:苏堤漫步 |  格式:doc  |  页数:32 |  大小:562KB

文档介绍
Р56.2Р59.1Р53.2Р53.3Р54.5Р54.5Р54.3Р55.5Р58.7Р54.9Р51.2Р50.3Р68.7Р65.2Р56.2Р56.3Р56.0Р54.6Р52.6Р53.6Р59.8Р56.3Р52.4Р54.6Р54.2Р53.6Р58.4Р56.4Р54.8Р59.4Р56.3Р54.2Р55.0Р52.3Р56.3Р54.2Р51.3Р54.9Р58.6Р59.3Р56.5Р56.4Р55.5Р56.3Р56.4Р55.5Р57.6Р56.5Р54.2Р58.7Р59.0Р56.8Р59.3Р53.6Р58.6Р55.9Р56.3Р57.8Р51.2Р55.3Р56.0Р50.3Р54.3Р56.2Р58.2Р54.3Р55.4Р56.0Р55.9Р58.6Р58.2Р59.9Р58.2Р54.6Р56.2Р51.8Р57.6Р58.4Р53.8Р59.0Р54.1Р53.2Р56.3Р52.0Р53.5Р56.3Р54.2Р51.6Р58.2Р52.6Р54.3Р59.3Р58.6Р59.3Р52.3Р54.6Р57.8Р59.3Р54.6Р54.6Р54.6Р54.6Р52.3Р54.8Р59.3Р54.3Р54.8Р57.6Р58.4Р54.6Р52.8Р58.3Р54.6Р54.8Р58.3Р58.4Р54.6Р58.6Р56.8Р54.6Р58.0Р56.4Р52.0Р59.3Р52.6Р54.5Р55.2Р56.3Р54.5Р69.3Р59.3Р54.3Р58.4Р58.5Р58.5Р56.3Р52.0Р58.2Р58.3Р52.6Р55.2Р55.3Р55.8Р60.3Р58.2Р53.2Р52.6Р58.5Р58.2Р52.6Р58.6Р54.5Р55.8Р由表中数据可知:L10=61.6,L50=53.1,L90=59.8

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