加强疟疾预防与控制措施大大减少了许多地方的疟疾负担。
Increased malaria prevention and control measures are dramatically reducing the malaria burden in many places.
目的分析某地病毒性肝炎发病特征，为制订病毒性肝炎预防与控制措施提供依据。
Objective Through analysis on prevalence feature and trend of viral hepatitis, it provides scientific gist for the prevention and control.
目的探讨老年患者下呼吸道感染常见病原菌的分布及耐药状况，制定针对性预防与控制措施。
OBJECTIVE to study the distribution and drug resistance of nosocomial infection pathogens from lower respiratory tract in senile patients and give draft preventive and control measures.
本文详细介绍了污染对WJD- 0 . 75电动铲运机液压系统的影响，并对铲运机污染的预防与控制措施进行了阐述。
This article introduces the pollution effect factors of WJD-0.75 power shovel vehicle, and describes the pollution control and precaution measures.
目的：探讨餐饮食品原料相关违法现象的类型与成因，为制定预防控制措施与管理政策提供科学依据。
Objective: to study the types and reasons of the illegal case on catering materials so as to provide scientific basis for control measures and administrative policy.
目的：探讨餐饮食品原料相关违法现象的类型与成因，为制定预防控制措施与管理政策提供科学依据。
Objective: to study the types and reasons of the illegal case on catering materials so as to provide scientific basis for control measures and administrative policy.
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