【摘要】 本文通过对铁岭市城区内212个监测点位进行噪声监测,然后按功能区类型进行分类、评价。计算其分 级指数,对污染较重的地带,采取积极有效地防治措施,使噪声污染降至最低。更多还原

【Abstract】 We monitored noise of 212 spots in district of Tieling city, classified and evalued data by types of f uction district. we cal culated degree index and put forward control measures to reduce noise.更多还原