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去年十一月份,DYSR—2型电动扬声器式标准噪声源在浙江省临海县科学技术委员会、经济委员会组织的鉴定会上通过鉴定。鉴定会领导小组由机械工业部上海电器科学研究所、浙江大学等单位组成。为了控制噪声污染,国际标准化组织第(43)声学委员会已把标准声源法列入工程级噪声测量方法。台州电子仪表厂在机械工业部上海电器科学研究所研制基础上,试制生
In November last year, DYSR-2-type electric speaker standard noise source in Linhai County, Zhejiang Province Science and Technology Committee, the Economic Commission, the organization identified by the appraisal. Identification of the leading group by the Ministry of Machinery Industry Shanghai Electric Institute of Science and Technology, Zhejiang University and other units. In order to control noise pollution, the International Acoustic Panel of the International Organization for Standardization (43) has included standard sound source methods in engineering-level noise measurement methods. Taizhou Electronic Instrument Factory in the Ministry of Machinery Industry Research Institute of Shanghai Electric Institute based on the trial production