The results provide reference data for the design and construction of HAS stabilized aggregate base course.
分析结果可为道路HA S固化剂稳定粒料基层设计和施工提供参考数据。
Objective to analyze the infectious status of HBV in civil servants of Guangzhou City so as to provide reference data for preventing HBV infection.
目的进一步了解广州市机关人员中HBV感染情况，为预防乙肝提供参考资料。
Objective to study the characteristics of hospital infection in the pediatric department and neonatal unit in order to provide reference data for hospital infection control.
目的了解儿科和新生儿室医院感染发生的特点，为控制医院感染提供依据。
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