随机抽样调查

Only in such a case can graduate students quality be raised and can backbone talents for the socialist modernization construction in the 21ST century be brought up. This paper present the analysis on the present conditions and causal constraints on the design and implementation of physical and health education curriculum in universities in Jilin province from the perspectives of health education, physiology, chorology, healthlogy, psychology, education, nutritional, query based on the methodologies of reference query, system analysis, expert consultation, questionnaire, joint reference querying, etc.

本研究在已有研究的基础上采用文献资料法，系统分析法，专家访谈法，问卷调查法，联机检索法，从健康教育学、体育学、课程论、保健学、心理学、教育学、统计学、营养学等多维角度对吉林省9所本科院校1000名大学生进行分层随机抽样调查研究，了解吉林省大学生体育健康意识及行为现状，分析其存在的问题和原因寻求对策，以利于学校体育改革的健康发展。

The opinion poll was based on a random sample of adults.

这次民意测验结果是从随机抽样调查成年人的基础上得来的。

This experimentation was to be guided not by random trial and error, however, but rather by scientific habits of mind.

这种实验并不是通过随机抽样调查或错误，而是靠科学的思维习惯。

That way you will get a random sample.

这样，你将会得到一个随机抽样调查。

The findings are based on a random sample of 224 children aged between 7 and 10 at 12 schools in the Republic of Ireland.

这项研究结果基于爱尔兰共和国12所学校年龄在7到10岁间的224名儿童的随机抽样调查。

348 Visitors from Hong Kong are involved in a random sampling questionnaire survey on ship before they leave Macau.

本研究通过在澳门返回香港的轮船上以随机抽样调查的方式调查了香港到澳门旅游的游客348人。

The investigation applied the methods of typical survey and cluster random sampling survey.

调查采用典型调查和整群随机抽样调查结合的方法。

Methods: International conventional sphygmomanometry was used to carry out cluster random sampling survey of hypertension and the prevalence rate of hypertension as well as RR, AR, ARp, U test in whole district population (15 384 persons).

以国际通用血压测量方法对全区15 384人进行整群随机抽样调查，着重对有、无不良生活方式的两组人群进行高血压患病率调查，及相对危险度、归因危险度、人群归因危险度、U检验等的检测，以及相关及多元回归分析。

As a most commonly used method of urban vegetation investigation, stratified random selection investigation is the topic of this paper. Based on enormous publications and practical experiences, the authors proposed the systematic processes of investigation planning, with the details and points of attention for field work of urban vegetation survey introduced. The main body of urban vegetation investigation was divided into three parts, i.

本文以大量文献和作者在城市植物调查的实践经验为基础，总结了国内外城市植物研究中常用的分层随机抽样调查方法，并对植物分层随机抽样调查方案设计的步骤、方法及注意事项作了系统总结并提出相关建议，综述性归纳了一套城市植物分层随机抽样调查的方案设计方法。

Methods Prevention and cure measures to control contagion were put into practice.Malaria and skeptical cases were investigated in population.Secondary cases were prevented.Incidence of Malaria was investigated by random sample method with IFAT and density of vector was also investigated;Epidemic trend was analyzed.

实施以控制传染源为主的防制策略，在各类人群中开展疟疾病例侦查，防止继发病例；采用间接免疫荧光技术随机抽样调查居民患病情况和媒介密度；综合分析疟疾流行趋势。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。