sample size的例句大全

Because guidance ammunition is expensive and the destructibility is inevitable in the testing, the sample size is small.

由于弹药的高价值以及试验的破坏性，使得只能进行小样本试验。

GeneU's technology is shinier, and it offers more options for customization, but skin-aging studies with many ingredients ( like antioxidants) have mostly not been well-controlled for specific formulation and dose, adequate sample size or randomized design, so it's not known for sure if they work.

GeneU的技术更引人注目，提供更多个性化选择，但是由于对很多成分（比如抗氧化剂）在皮肤老化中作用的研究大多没有对具体的配方和剂量进行很好的控制，样本数量不够，设计比较随意，所以不能确定这些成分是否有效果。

Results Actual use of the method for estimating sample size and the relationship between effect factors and sample size were illustrated by a example of case control family study of liver cancer.

结果用实例说明了病例对照家系设计中样本含量估计方法的应用与影响因素和样本含量的关系。

Because the differences of testing methods, sample size, laboratory conditions, measurement targets and standard of definition, the prevalence of clopidogrel resistance is variability.

由于采用的方法、样本量大小、实验室条件、检测指标、定义的标准等不同，氯吡格雷抵抗的发生率也有很大差异。

The theoretical sample size was about 820 and positively relative to infection rate.

理论抽样数量约820株。

In this paper, we concretely design a fixed-width confidence interval for the variance σ 2 of a normal distribution N(μ,σ 2) by two-stage procedures and provide the optimal sample size of the first stage by numerical computations.

利用两阶段抽样，我们具体给出了正态总体方差的一个置信区间，它同时满足可靠度与精度，利用数值计算的方法，我们计算出第一阶段的最优抽样量。

Sample Size and Power Determination for Interval Test in Clinical Trial

临床试验中区间检验的样本量与检验效能估计

A Study to the Confidence Region of Multinomial Distribution on the Condition of Large Sample Size

大样本条件下多项分布未知参数置信域的研究

A Dissection for the Sample Size in the Study of Range of Normal Values in Medicine

医学正常值研究中所用样本含量的剖析

Influence of Tensile Sample Size and Deformation at Length Direction on r-Value Measurement

拉伸试样尺寸与长度方向变形量对r值测量的影响

TESTING Sample Size Estimates for the Experiments of Fruit Trees

果树试验中的样本容量估计

Using simulation result as a substitute for data of test sampling, obtains the relation between sample size and sum of buildings, and it would be helpful to calculation of sample size.

利用模拟结果代替试验抽样数据，得到了样本容量与建筑总量的变化关系，为样本容量的计算提供了帮助。

Taking measuring sphericity error with evenly distributed dot as an example, this dissertation brings forward the method of confirming the optimal sample size which is based on regression analysis.

以等弧布点方式测量球度误差为研究实例，提出基于回归分析法的最佳采样数确定方法。

The average confidence interval length decreases as the sample size increases and widens with increasing noncompliance rate.

95%置信区间的平均长度会随着样本量的增加显著的变窄，随着不依从率的增加又适当的变宽。

Determination of testing sample size is occupied a critical position in the scientific study and product development.

试验样本容量的选择在科学研究及产品开发中占有十分重要的地位。

Permutation Test for Location Parameters When Sample Size is Small

小样本情况下关于位置参数的置换检验

Discussion on the sample size in clinical trial and its related problems

探讨药物临床试验中样本含量及相关问题

The specific resistance of coal-derived needle coke is determinated on the model THS-80 particle specific resistance gauge. The effects of sample size range and loading height on specific resistance determination is investigated and the optimal testing conditions is also obtained by use of orthogonal experiment.

利用THS－80型粉末比电阻测定仪，测定煤系针状焦的比电阻，探讨试样粒度和装样高度对测试值的影响，并利用正交试验的方法确定较优的测试条件。

With a certain sampling accuracy, when the pollen density was high, sample size could be reduced considerately.

当抽样精度一定，花粉浓度大时，可适当减少抽样数目。

Using mechanical dynamic triaxial test apparatus and electro-hydraulic dynamic triaxial test apparatus, liquefaction tests of a saturated standard sand were conducted in order to compare the effects of apparatus type, and sample size on dynamic strength.

用机械式及液压式振动三轴仪进行标准砂的液化试验，以比较仪器型式对动强度的影响；还比较了试样尺寸的影响。