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[1] Busch-Vishniac I, West J, Barnhill C, HunterT, Chivulula, R. Noise Levels in John Hopkins Hospital [J].Journal of the Acoustica lSociety of America,2005,118(6):3629-3645.
[2] ÇØöÎ.×ÛºÏÒ½ÔººòÕïÇøÉùÇéÐÎÑо¿[D].¹þ¶û±õ:¹þ¶û±õ¹¤Òµ´óѧ,2012.
[3] ÃñÓÃÐÞ½¨¸ôÉùÉè¼Æ¹æ·¶ GB 50118-2010 [S].2010.
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