Methods: 2060 cases of primary hepatic cancer were clinically researched by a large sample number clinical epidemiological survey program.
方法：采用大样本临床流行病学调研方案，临床调查原发性肝癌2060例。
Marine geological sampling and sample analysis methods of the geological Survey of Canada are introduced in the paper.
本文介绍了加拿大地质调查局海洋地质取样和样品分析方法。
Methods Field observation and survey in the 16 sample hospitals chosen by the means of comprehensive index evaluation.
方法对采用综合指数法抽取的16所样本中医院用观察法实地调查。
Methods To survey 203 poor students and 262 non-poor students by questionnaire sample in the match way, and analysis data by social science statistics software.
方法采用对偶取样方法对203名贫困生和262名非贫困生的社会支持和自我价值感进行了问卷调查，用社会科学统计软件进行数据统计。
Methods An anonymously questionnaire survey was conducted among a random sample of 839 undergraduates.
采用分层整群抽样方法，对杭州市某综合性大学的839名大学生进行匿名式问卷调查。
The methods of this thesis are literature and survey. The author selected two Suzhou Vocational Colleges as a sample through convenience sampling questionnaire.
论文运用文献法和调查法，选取苏州市的两所高职院校为样本，通过方便抽样发放问卷。
Methods: Stratified random cluster sampling method was used to determine the survey sample.
方法：以分层随机整群抽样的方法，确定调查样本。
Methods a questionnaire survey was conducted to a clustered stratified sample of 1 785 children in Qingdao.
方法采取分层整群抽样的方法对青岛市1 785名儿童进行问卷调查。
To enlarge the sample size, the data were collected via a variety of methods in both field survey and net survey, at last 411 valid questionnaires were collected.
为扩大样本量，笔者采取了实地和网络调查相结合的多种灵活方式，最终收集到了411份有效问卷。
The paper researches on the technique and methods of the columned sample processing of the seabed sediment in hydrographic survey.
研究海道测量海洋底质沉积物柱状样品处理技术与方法。
Methods A sample survey based on stratified probability samples of 2 204 students aged 12~21 years old among 11 schools in four districts of Shanghai was carried out.
方法采取分层整群随机抽样的方法，对市内四个区11所学校的2 2 0 4名12～21岁的在校学生进行不记名问卷调查。
Methods The grouped random sampling rule survey was carried out in a sample population of 8757 who lived in seaside district of Rongcheng city.
方法采用整群随机抽样方法，抽取荣成市沿海地区8757名渔民为调查对象。
Methods With the method of questionnaire survey, a cluster sample of 3 012 students (aged 15-19) were investigated. They were chosen from Qinghai Province, Shanxi Province and Zhejiang Province.
方法选择青海省、山西省、浙江省各1个县，采用整群抽样的方法，共选取3 012名15 ~19岁在校中学生进行问卷调查。
Methods Investigate the sample hospitals with survey forms, interview leaders and employees.
方法对样本单位进行调查表调查、院长访谈和员工座谈。
METHODS: Random sample questionnaire survey was conducted among consumers in Baoding city and its surrounding counties, and the data were subjected tot-test, analysis of variance, and LSD-t test.
方法：对保定市及周边县城消费者进行随机抽样问卷调查，采用t检验、方差分析和LSD - t检验等方法对调查数据进行统计学处理。
The ecological restoration of Yangpaihe watershed in Yangtze upper-reaches is researched with the methods of overall inventory, sample plot survey and indoor room analysis.
通过野外全面调查、样点调查、样方调查和室内测试分析，对云南长江上游洋派河小流域退化生态系统的人为诱导修复进行了研究。
Methods an investigation in Beijing urban districts was conducted in a cross-sectional survey. A total of 15 000 permanent residents aged 15-69 years as a sample was randomly interviewed.
方法采用现况研究方法，对北京城区15 0 0 0名15 ~ 6 9岁的常住居民进行入户调查，了解其慢性病患病情况及行为危险因素等。
Methods: for the county over 60 years of age and older conducted a sample survey, calculation and comparison of disease spectrum and the overall composition of the situation;
方法：对全县年满60周岁及以上的老年人进行抽样调查，计算和比较疾病谱构成以及顺位情况；
Methods We randomly pick sample of barreled drinking water from 50 different manufactories, fill out survey form, gather inspection results, process data by using sanitation statistics methods.
研究方法随机抽取50家桶装饮用纯净水生产企业，用调查表对其进行现场卫生学调查，并汇总桶装饮用纯净水抽检结果，运用卫生统计学的方法对数据进行处理。
Methods A sample survey, covering such topics as the health situation, medical treatment, nursing, rehabilitation and health care needs of the elderly and community hea…
如何为老年人提供更有效的医疗保健服务，改善老年人的健康状况，提高老年人的生活质量，是我们当前所面临的一个重要课题。
Methods: By using the descriptive statistics and comparative analysis to analyze the Second National Sample Survey and the data of monitoring the disabled in 2008.
方法：采用描述性统计和对比分析方法对第二次全国残疾人抽样调查及2008年度全国残疾人状况监测等数据进行分析。
Methods By using the cluster sampling method, a sample of 518 students drawn from 4 high schools in Chuzhou, then a questionnaire survey was conducted among them.
方法采取整群抽样方法，对滁州市4所高中三年级毕业班学生518名进行问卷调查。结果81。5%的学生使用过互联网。
Methods By using the cluster sampling method, a sample of 518 students drawn from 4 high schools in Chuzhou, then a questionnaire survey was conducted among them.
方法采取整群抽样方法，对滁州市4所高中三年级毕业班学生518名进行问卷调查。结果81。5%的学生使用过互联网。
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