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，积极预防和控制感染，狠抓各项消毒措施落实，是降低医院感染率的重要环节。
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. 通过对饲料厂噪声来源及对人体危害的分析，探讨其治理控制措施，减少对环境的污染。
