sampling survey的例句大全

In order to investigate the wild edible mushroom resources in Western Qing Tombs areas, survey was made along the line or by random sampling from different places during 1983-1984. 19 species belongin;

1983～1984年，笔者对清西陵地区野生食用菌资源进行了沿线调查或随机抽样调查，对采到的标本进行了室内鉴定。

The outer barks and fallen leaves of plants are the best sampling media for botanogeochemical survey.

以白桦、落叶松作为植物化探的主要研究对象具有可操作性和可推广性.

the use of sampling methods for the collection of particulars relevant to any survey is authorized.

现授权采用抽样方法,收集与任何调查有关的详情.

Sample drilling technology is an indispensable technical measurement to regional map-drawing, geophysical and geochemical sampling, paleomagnetism sampling, geological calamity early warning and prevention and control, project site survey.

取样钻技术是区域地质填图、物化探取样、古地磁取样、地质灾害预警防治和工程勘察等必不可少的技术手段。

In order to know the sanitary quality of disposable sanitary products produced, sold and used in Beijing, field sampling and laboratory examination method were used to carry out a survey.

为了解一次性使用卫生用品的安全性，对鲁中地区企业生产的一次性使用卫生用品抽样进行了皮肤刺激试验、阴道黏膜刺激试验和皮肤变态反应试验。

Computer-assisted telephone interview does make it possible to apply sequential sampling in large social survey because of its function of instant data operation and management.

计算机辅助电话调查中即时的数据运算和管理功能为序贯抽样的应用奠定了基础。

At present, the public opinion survey report of our country has three main problems. Firstly, non-probability sampling makes sample's representation untrustworthy.

当前我国民意调查报道中存在三个主要问题：一是非概率抽样使样本代表性受质疑；

The sampling and data processing methods of the survey for wholesale/ retail and food/ drinks

批发零售贸易业、餐饮业抽样调查方案及数据处理方法

participants: all the data were from the sampling questionnaire survey on health status of 1 700 people including retired cadres and employees from 11 cities of jiangxi province.

对象对象资料来源于2004-01江西省老年体协对全省11个地级市市区离退休干部、职工共1700人的健康状况抽样问卷调查。

Stratified random sampling of forest survey

森林分层随机抽样调查

Method On-the-spot sampling method was used to carry out a survey of 54 hospitals.

方法采用现场抽样方法对54所医院进行了调查。

methods an epidemiological survey was carried out house by house according to stratified random varied proportion sampling, nine villages of three towns were chosen.

方法采取分层随机不等比例抽样法，抽取镇安、木城、腊勐3个乡9个行政村，逐户调查村民疟史情况。

The antidotes for solving these problems in our country's public opinion survey report are the folio wings. Firstly, probability sampling should become main sampling method in public opinion survey.

解决当前我国民意调查报道中的主要问题的对策是：一是概率抽样应成为民意调查抽样的主要方式；

In the high mountain area under arid climate, stream sediment geochemical survey at the 1/ 50000 scale was carried out with the sampling density of 4 points per square kilometer. The grain size of the sample in initial preparation stage was-20~+ 120 mesh.

在干旱高山景观区，以4点/km2的采样密度，选择-20~+120目粒级段为初加工粒级，开展1∶5万水系沉积物地球化学测量。

Survey sample selection, multi-stage random sampling method, questionnaire and structured interview method of combining survey research.

调查样本的选取采用多阶段随机抽样的方法，通过问卷调查与结构式访谈相结合的方法对调查对象进行研究。

Purpose To solve the problem of sampling within household in resident health survey and generate a representative sample.

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。

In the survey 18 interviewees are chosen to form the employees of this company with scientific sampling method.

本次调查使用科学的抽样方法，从山东大华日鑫铝业有限公司抽取了18名员工进行访谈。

Methods A total of 198 nurses using stratified random sampling in proportion to the ratio of different levels of the nurses. A questionnaire with approved validity was used in the survey, and the results were statistically analyzed.

方法参考TQC的相关知识，自行设计问卷，采用按护士层次比例分层随机抽样的方法抽取198位护士，采用统一发放、集中收回的调查方式。

Sino-American united survey team for south China tiger conducted a survey in the reserve through October to December, 2001 with the ways and methods popular at home and abroad such as visiting local people, transect sampling, trail monitoring and infrared automatic photo-taking.

中美华南虎联合调查队于2001年10～12月采用访问调查法、样带调查法、痕迹调查法和红外线自动照相技术等目前国际国内通用的方法和技术，对该保护区进行了调查。

Methods A stratified cluster sampling method was used to survey the health status in 2161 samples from 540 families in 3 Bama Counties of China, and of the 746 participants had been surveyed for the diet nutrition.

方法运用分层整群抽样方法，抽取3个乡镇、6个村、540户共2161例进行健康调查，其中180户746例进行膳食调查。