random sampling的例句大全

Methods Hospitals were selected and studied with random sampling method.

方法采用随机抽样方法对辖区内医疗机构进行流行病学调查。

Quality Assessment for Attribute Data in GIS Based on Simple Random Sampling

基于一般抽样原理的GIS属性数据质量评定方法

The concrete methods contain: 1 Random sampling investigation method.

具体方法主要包括：（1）采用随机抽样调查方法。

A mathematical probable model and random sampling method are illustrated, too.

具体说明方法的数学概率模型及随机抽样方法。

Reproductive women were selected by random sampling from the sub-population who had a temporary residence permit or permanent residents in townships in 4 project sites.

通过随机抽样方法在四个项目点各选择2个乡镇作为研究现场，以抽到的乡镇内办理了暂住证或常住居民为子总体，抽取符合条件的育龄妇女。

From March to May 2000, the squirrel monkey ( Saimiri sciureus) behavior time budget of a random sampling was studied in Shanghai Wild Animal Zoo.

2000年3至5月，在上海野生动物园人工饲养状态下对83只松鼠猴的行为时间分配进行了研究。

At last, the points in image with the target point in calibration board were matched with the help of RANSAC random sampling algorithm.

然后用RANSAC随机采样算法对标定板上的点和图像上的点进行匹配。

The improved DDST intelligence examination was done on 67 cases of endemic cretinism in Qinghai through random sampling and had got developmental quotient ( DQ).

通过随机抽样对青海省67例地克病患者做改进后的DDST智能检查，取得发育商。

Methods 100 cases ( 140 eyes) were chosen by random sampling and were observed everyday with slit lamp microscope.

方法随机选择100例140只眼青光眼滤过性手术后患者每日裂隙灯检查。

The Stratified Random Sampling Method and Small Sample Testing

分层随机抽样方法与小子样检验

This paper builds up portfolios through random sampling the securities in Shen and Hu security market, and studies the distributions of portfolio weekly return time series.

本文采用随机等权重有放回抽样方法，以周收益率为指标，以沪深A股为样本股，对组合收益率时间序列的分布特征进行实征研究。

Random sampling method was adopted in this experiment.

本分析采用随机取样法，对贵州威宁引入的新西兰考利代羊羊毛品质进行了全面测定。

Stratified random sampling of forest survey

森林分层随机抽样调查

Method Using self-designed questionnaires to investigate knowledge, attitude and practice for AIDS among 236 mobile construction workers in 2 building sites by random sampling.

方法采取随机抽样方法，抽取南宁市施工期限在6个月以上的2个建筑工地，调查其中从事建筑施工的236名流动工人对STD/AIDS相关知识的掌握及态度、行为特征等。

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。

Methods 6 257 children below 5 years old were chosen by random sampling in 4 county, widespread monitoring management and ORT on diarrhea were carryed out for one year.

方法整群随机抽取4个县的6257名5岁以下儿童进行为期一年的腹泻监测及ORT推广应用。

The effect of yield increasing bacteria on oat fresh grass product was studied by seed dressing and spray administration in a bi factor random sampling block test.

采用增产菌拌种、喷施2种方法的二因素随机区组设计，对燕麦草的增产效应进行了研究。

According to the social economy and geography of these regions, Stratified random sampling was adopted and the surveyors are 2540 people.

根据各地区的社会经济发展水平和地理分布，采用分层随机抽样的方法，共调查了2540人。

Methods Use random sampling method. 50 cases in each group.

方法采用随机抽样法分成2组，每组50例。

Methods Making research on 1021 patients by random sampling.

方法采用随机抽样的方法调查1021例患者。