So,it is important for reducing the nosocomial infection to take strict sterilization devices and formulate effective measures of preventing and controlling infection. 制定有效控制措施，積極預防和控制感染，狠抓各項消毒措施落實，是降低醫院感染率的重要環節。
The noise resources in feed mills and their harmfulness to human health were analyzed, and the controlling measures were approached so as to reduce environmental pollution. 通過對飼料廠雜訊來源及對人體危害的分析，探討其治理控制措施，減少對環境的污染。
