查询词典 sampling

Statistics students study probability theory and sampling theory.

学生学习概率论和抽样法理论。

Probability and Statistics: A sampling of classic problems in probability and statistics.

机率和统计：机率和统计经典问题范例。

A total number of 2,422 people who were extracted by Stratified cluster sampling design and Probability Proportional to Size were used.

其中自北部机构有592人，中部机构有576人，南部机构有646人，东部机构有187人，总样本数共为2001人。

In probability sampling, a statement of the likelihood that a range of [size=+0]value s i.e.

在随机抽样中，它代表了一组数值成为真实人口数值的可能性。

Methods A Probability Proportionate to Size Sampling was used, and 7913 female sex workers were visited to fill in a questionnaire.

采用按规模大小成比例的概率抽样方法对7913例暗娼进行问卷调查。

In a large population, the probability of sampling error is small and little change to the allele frequencies is expected, even over many generations.

在一个大群体中，抽样误差的概率小，甚至经过许多世代等位基因频率的变化都很小。

Probability sampling designs, estimation and efficiency comparisons.

概率抽样设计，估计和效率比较。

With probability sampling and home interview survey data of Shanghai and Chengdu, we use factor analysis to build the structure of romantic Index Scale.

以上海和成都概率抽样和入户面访的调查资料为依据，采用因子分析方法构建浪漫指数的结构量表。

Utilizing probability proportional to size sampling method, the study sampled 500 faculty members at 51 universities in Taiwan.

针对台湾51所一般大学教师依多阶段抽样进行问卷调查，共发出500份，问卷回收338份，有效问卷335份，回收率66.4％。

As the complex of the safety margin the solution of failure probability by the improved and sampling Monte-Carlo method is recommended here.

鉴于功能函数的复杂性，推荐应用改进的抽样蒙脱卡罗方法求解失效概率和可靠度。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。