浅谈施工中混凝土裂缝的预防与控制_建筑工程管理论文 关键词：混凝土裂缝、产生原因、预防与控制措施 [gap=411]Keywords: concrete crack, cause, prevention and control measures
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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.
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