查询词典 sampling methods

The practical application of the Complex Sequential Sampling Decision Technique has been restricted due to the lack of the End-limiting Sequential Sampling Model.

复序贯抽样决策技术实际应用的受限，原因在于截止限序贯抽样模型的缺乏。

Topics include: attribute and variables sampling plans; sequential sampling plans; rectifying control procedures; charting, smoothing, forecasting, and prediction of discrete time series.

包括：计数抽样计划和变动抽样；序贯抽样计划；调整控制过程；制图，平滑，预测和离散时间序列的预报。

Topics include: attribute and variables sampling plans; sequential sampling plans; rectifying control procedures; charting, smoothing

包括：计数抽样计划和变动抽样；序贯抽样计划；调整控制过程；制图，平滑，预测和离散时间序列的预报。

Objective: To provide a minimum sample size approach and a sequential sampling approach for testing whether the sporozoite rate has exceeded the critical level of malaria epidemics using the pool sampling method.

目的：给出基于混合样本的最小检测次数法和序贯检验法，以检验子孢子阳性率是否超过导致疟疾流行的临界水平。

It is shown through the living example analysis that, with the Complex Sequential Sampling Decision Technique, the sampling cost may be cut down by a big margin for the same bio-population under the conditions of given degrees of accuracy and confidence.

实例分析表明：对于同一种生物种群，在一定的精度和置信水平要求下，复序贯抽样决策方法可以大幅度地节约抽样成本。

In principle, layered random sampling and simple random sampling were used.

取样原则采分层随机抽样和简单随机抽样方式，共抽取12所学校，抽样得70个班级，含68位教师与其班级学生共754人，回收的有效样本共计70班，合计68位级任教师与739位学生。

The simple random sampling plan and stratified random sampling plan has been introduced and the application means and effects of which also has been presented,it has some characteristics such as material precision and obvious reduce of sample size,and rational advice has been presented.

介绍了简单随机抽样和分层随机抽样方法及其在检测中的应用方法和效果。

Consequently, investigated in detail are several concrete complementing schemes based on simple random sampling, stratified sampling.

摘要本文研究了不放回追加策略，包括基本设计和域追加设计都为简单随机抽样、分层随机抽样情形下不放回样本追加时域的估计的问题。

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.

LANDIS模型的模拟结果表明，由地统计学随机模拟所引入的不确定性在象元尺度上随模拟时间增加而增加，但是在景观尺度上并没有受很大影响。

In this article,students actually present at exams are regarded as simple random sampling of all the students,and the sampling and assessing ways are applied.

将实考考生看作为考生总体的一个简单随机样本，应用抽样估值的方法，在若干合适的概率分布模型下，收集和推演了考生总体合格率的一些估计公式，以估计有考生缺考时，考生总体的合格率。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样