查询词典 aligned systematic sampling

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。

It is verified that th action's mean value of the expected value by simple radom sampling is equal to one by stratified radom sampling.

证明了在期望值决策准则下，用等概率分层随机抽样得到的方案收益期望值的均值，与用简单随机抽样得到的相同。

Students will learn Descriptive Statistics, Probability and Random Variables, Probability Distributions, Sampling and Sampling Distributions, Statistical Estimations, and Hypothesis Testing in Statistics.

同学们将在统计学中学习叙述统计量的意义与计算、机率与随机变数、机率分配、抽样与抽样分配、统计估计、假说检定等基础统计方法。

By the introduction of the theory of sampling constant presented by Ingamells and Switzer, the stratified sampling for segregated bulk materials were studied.

将Ingamells-Switzer取样常数理论引入分层性固体物质的取样研究，提出了分层取样的最优化设计方案，推导出了各层取样量及分层取样方差极小值计算公式。

In natural thermoluminescence of soil respect, it has determined the stratgraphy of sampling, and proved anomaly shape has little change with the sampling density.

在土壤天然热释光测试方面，确定了取样层位，研究了取样密度变化对异常形态的影响。

Results1. Content of arsenic in serum raises with dose adding, time of pouring medicine and time of blood sampling prolonging. Thin layer chromatography indicates that there is toadfish in medicine serum of Liu-Shen-Wan.2. The suppressive rate of medicine serum of Liu-Shen-Wan on HL-60 cell raises with adding of dose and time of pouring medicine and prolonging of blood sampling.3. Gimsa dying assay, in situ end-labeling method and flow cell machine all exhibits: HI-60 cells dealed with Liu-Shen-Wan medicine-serum present typical apoptosis morphology.

结果：1 血清砷含量随着给药剂量、给药天数增加和采血时间的延长而升高；薄层色谱表明六神丸含药血清中有蟾酥成分。2 六神丸含药血清对白血病细胞的抑制率，随给药剂量、天数增加和采血时间的延长而升高3 吉姆萨染色、流式细胞仪检测、原位末端标记检测均证明六神丸含药血清能诱导HL-60白血病细胞凋亡。

The author presents a new sampling method based on a lot of experiments. Tractability of sampling rate and the speediness of this method is also confirmed.

作者在大量实验的基础上提出了IP包头标识字段取模抽样方法，该方法具有抽样比率易控制、效率高的优点。

"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。