对使用较多的有目的抽样则阐述较少。
Little has been said about purpose sampling which is used much more in practice.
方法：采用非随机、目的抽样方法选择被访者，对关键知情人进行个人深入访谈。
Methods: Nonrandom purposive sampling was used to select key respondents to conduct indepth interview.
目的：探讨电话访问的抽样方法。
Objective: To explore the sampling method of telephone survey.
前言：目的讨论我国现行药品抽样检验中存在的问题。
OBJECTIVE: To discuss problems concerning the current sampling test of drugs in China.
目的：对盲与低力流行病线索与抽样调查方法进行比较、评价。
To evaluate and compare the methods of epidemiologic clue investigation with the sample investigation in blindness and low vision.
目的：为全国血吸虫病抽样调查居民血吸虫感染度的总体参数建立统计学方法。
AIM: to set up statistical methods for calculation of intensity of schistosome infection in residents in nationwide sampling survey of schistosomiasis.
讨论了等距抽样中，如何利用辅助信息改进总体平均值的估计，以达到提高估计精度之目的。
This paper deals with the estimation of population mean in systematic sampling by use of auxiliary information in order to improve the accuracy of the estimate.
方法采用随机抽样方法，对我院500名医务人员在2005年利用病案的目的、利用频率和利用满意度进行问卷调查。
Methods a questionnaire was sent to total of 500 medical workers in random to ask the purpose, frequency and satisfaction of using medical records in our hospital in 2005.
本文主要从抽样技术和数据处理两方面进行研究，目的在于对现有的方法进行改进，以促进居民出行调查技术的完善。
This paper will research sampling technique and data processing, aims at improvement of existing methods and improves the resident trip survey technique.
目的综合评价市场抽样的某复方次氯酸钠消毒液的消毒性能。
Objective To evaluate the disinfection properties of a compound sodium hypochlorite disinfection solution sampled from the market.
目的通过对广州市七星岗社区老年人群膳食结构的抽样调查，为改善其营养健康状况提供依据。
Objective to investigate the dietary pattern of the elderly in Qixinggang Community of Guangzhou City, and to provide the evidence for improving their nutritional and health status.
目的解决居民健康调查中入户后的抽样问题，产生代表性较好的研究样本。
Purpose To solve the problem of sampling within household in resident health survey and generate a representative sample.
散料抽样的目的是为了对总体质量进行估计，以方便定价或进行生产质量控制等。
The bulk sampling discussed in this paper is primarily interested in estimating the mean quality of the bulk material with reasonable cost, so as to adjust the price and process duly when necessary.
目的从湖南省四次结核病流行病学抽样调查(流调)结果分析和评价我省结核病控制工作质量。
Objective To analyze and evaluate the result of 4 times tuberculosis epidemiological sampling survey in Hunan Province.
目的对沈阳市区人口进行哮喘流行病学抽样调查，了解哮喘患者的就医状况。
Objective: To investigate the asthma incidence and medication in urban inhabitants of Shenyang.
目的通过大样本的抽样调查，观察和比较我国不同地区17～ 2 1岁男青年营养状况的地区分布特点。
Objective To compare and observe the geographic distribution of nutrition status in Chinese male youth aged 17-21 years in different are as by larger sample survey.
方法：采用目的性抽样和方便抽样，对广东、江苏、陕西、甘肃、北京等省市共9所公立医院12名妇产科医务人员展开半结构式个体深入访谈或集体访谈。
Methods:An in-depth, semi-structured interview or focus group interview with 12 health workers in Gynecology and Obstetrics Department of 9 public hospitals was conducted.
方法：采用目的性抽样和方便抽样，对广东、江苏、陕西、甘肃、北京等省市共9所公立医院12名妇产科医务人员展开半结构式个体深入访谈或集体访谈。
Methods:An in-depth, semi-structured interview or focus group interview with 12 health workers in Gynecology and Obstetrics Department of 9 public hospitals was conducted.
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