片语

covariance for simple random sampling[统计]

stratified simple random continuous sampling分层简单随机连续抽样

a simple random sampling简单随机抽样

variance for simple random sampling简单随机抽样方差

simple random sampling with replacement放回的简单随机抽样

simple random sampling without replacement简单随机无放回抽样

simple random sampling model单纯随机抽样

stratified simple random sampling分层简单随机抽样

simple random sampling srs简单随机抽样

英汉例句

• under simple random sampling scheme without replacement and unknown proportion of population possessing neutral attribute, the optimal allocation of sizes of two sub-samples is given.

  对简单随机不放回抽样，在总体非敏感属性个体比例未知的情况下，给出了两个子样本容量的最优配置。

• method:using simple random sampling survey and non-structured interviews.

  方法：简单随机抽样问卷调查和非结构式访谈。

• methods:totally 164 young managers who had no basic disease and were less than 40 years in a shandong company were selected with simple random sampling methods.

  方法：采用单纯随机抽样方法选取山东某大型国企中40岁以下无任何基础疾病的青年管理人员164人。

• methods the simple random sampling rule survey was carried out, in a sample population of1238(a sampling fraction of1.2%).

  方法采用单纯随机抽样原则，以1.2%的抽样率抽取1238例作为调查对象。

• methods simple random sampling method was used to investigate the suzhou local residents and migrant workers.

  方法采用单纯随机抽样调查的方法对苏州当地居民及外来务工人员进行调查。

• this paper introduced several methods about the concrete strength inspection: the sampling method given by the present specification; simple random sampling without replacement; stratified sampling .

  具体介绍了砼强度检测抽样的几种方法：现行规程抽样法；简单随机抽样法；分层抽样法。

• we had applied methods of stratified sampling and simple random sampling and collected 1 704 questionnaires in 21 various hospitals, 18 provinces, then analyzed them.

  在全国不同区域，选取18个省市的21家医院，采用分层抽样和简单随机抽样相结合的方法，收集调查问卷1704份，进行统计分析。

• design: a simple random sampling survey.

  设计：简单随机抽样调查。

• ranked set sampling (rss) is a new sampling method. compared to simple random sampling method (srs), rss sample has many good properties.

  有序抽样是一种新的抽样方法，与简单随机抽样方法相比它具有很多很好的性质。

• results showed that latin hypercube sampling can capture more variability in the sample space than simple random sampling especially when the number of simulations is small.

  结果表明，与普通随机采样相比，拉丁超几何体采样能捕获更多的不确定性，特别是在蒙特卡罗模拟次数较少时。

• i have come across various survey reports on the well-being (or satisfaction) level of residents, but most are based on a simple random sampling on streets.

  过去也经常听说各种居民生活幸福水平（或满意度）调查报告，但多是街头随机抽样的调查问卷。

• at the same time, 49 yangtse river delta white goats were sampled as contrast population from the suburb of yangzhou city jiangsu province by the simple random sampling method.

  同时，在江苏省扬州市郊区简单随机抽样49只长江三角洲白山羊作为对照群体。 结果表明。

• both simple random sampling and latin hypercube sampling were applied to simulate the model of the soil retardation factor of the herbicide mefenacet by monte carlo method.

  采用简单随机抽样和拉丁超立方抽样两种不同方法对除草剂苯噻草胺的土壤滞留因子模型进行蒙特卡洛模拟。

• methods simple random sampling was used to choose surveillance counties.

  方法监测点的选择采用单纯随机抽样方法。

• this investigation was carried out to 60 small-tailed han sheep, which have respective bloodline in the central area of habitant by the simple random sampling in typical colony.

  以中心产区典型随机抽样法在小尾寒羊的中心产区随机抽取60只具有独立血统的小尾寒羊。