Method To carry out the comprehensive investigation on the medical quality of 24 different level hospitals in this area, which selected by stratifying sampling.
方法：采用分层抽样调查方法，对本区域24所不同级别医院的医疗质量进行全面调查。
This paper studied the density and the condation of Pseudopeziza medicaginis (Clib) Sacc with the method of sampling, investigation and measurement in definite spots and times.
采用定点定期采样、调查、测定的方法，研究了紫苜蓿褐斑病的发生危害的程度及发病条件。
Methods Systematic sampling method was used in field Oncomelania investigation, and laboratory and field simulating drowning methods were also performed to observe survival of Oncomelania.
方法应用系统抽样法进行现场查螺，现场和实验室模拟水淹实验观察钉螺存活情况。
The course includes the concept of market investigation and market prediction, sampling, questionnaire design, market data collection, market prediction method, and the final report writing.
包括市场调查与预测的基础概念、抽样调查方法、问卷设计技术、市场资料的收集方法、市场预测技术及市场调查与预测报告的撰写方法等。
Methods Under stratified sampling, the investigation of the oral health concept and behavior were carried out using closed type questionnaire method.
方法采取分层抽样方法，分别对口腔健康观念与行为情况进行问卷调查、填写记录。
Methods A sample containing 943 people was investigated by sampling investigation method, and 32 of them were selected randomly and recompleted the inventory after 3 months.
方法采用现场调查的方法在北京地区选取943份样本，3个月后随机抽取32人对饮食方式调查表重测。
The plant distribution of Yingbin Park, a new opening park in Xuzhou City, was analyzed by on-the-spot investigation, sampling photography of some typical blocks and drawing method.
选取徐州市近年新建的开放性公园绿地迎宾园为研究对象，采用每个案例现场逐步记录的调查方法，对植物配置方式进行调查记录；
Methods Sampling method was used. On basis of food hygiene law , a spot investigation was conducted.
方法抽样调查，依据《食品卫生法》的要求，现场调查。
Methods Sampling method was used. On basis of food hygiene law , a spot investigation was conducted.
方法抽样调查，依据《食品卫生法》的要求，现场调查。
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