查询词典 hypothesis test

We designed and carried out a large, multicenter, randomized controlled trial to test the hypothesis that an alert from a hospital staff member to the attending physician will reduce the rate of symptomatic VTE among high-risk patients not receiving prophylaxis.

我们设立了一个大型多中心随机对照研究研究，来检验这样一个假说：来自以主治医生为主的医护人员的预警能减少未接受预防性治疗的VTE高危人群症状的出现率。

The Spearman Rank Correlation Coefficient and descriptive statistics were used to test the research hypothesis.

而研究的方法是以对美国运动竞赛推广组织之业主或管理人员进行问卷访谈，针对受访者所属的组织之中，使用网际网路之情况与其对於组织绩效的影响状况来分析其相互的关系。

And the rarefaction wave of small leakage is diagnosed by means of hypothesis test method and fuzzy mathematics theory.

它采用双扭环技术和GPS时钟同步技术实现对传统负压波诊断系统的改进，采用假设检验和模糊数学理论对小泄漏故障负压波进行诊断。

Then, the paper used structural equation model and factor analysis to test the hypothesis and compare the relative modleFor the results in the study, first of all, papers have collated the theories relative to psychological boundary from three point of view, they were personality theory, social cognitive theory, self-category theory, social representation theory and system theory.

在研究成果方面，首先，论文在已有研究的基础之上，从三个方面整理出于心理边界相关的基础理论，它们分别是人格理论、社会认知理论、自我分类理论、社会表征理论和系统理论。

In this study, we utilized human periodontal ligament to test the hypothesis that cryopreserved human periodontal ligament contains retrievable post-natal stem cells.

我们在实验中利用人牙周膜来证实冷冻保存的人牙周膜中是否存在可收回的成体干细胞。

In order to make a comparison, the models of the other two methods like robust estimation and hypothesis test are also summarized. At last, one numerical example is given out to illustrate the feasibility and validity of this method.

为了便于比较，还简单介绍了常用的抗差估计及统计检验的数学模型，最后通过1个算例验证了本方法的可行性和有效性，并和另2种方法作了比较。

In §5.3,we discuss the hypothesis test problem of the scale parameter change point.

否则，接受原假设〓，认为不存在变点。上述两种检验，我们都给出了模拟结果。

We conducted a greenhouse experiment to test this hypothesis by using invasive Solidago canadensis and native Kummerowia striata as model plant species under lead contamination.

本研究借助於温室试验，通过入侵物种加拿大一枝黄花和本地物种鸡眼草的单作和混植试验，证验了这一假说。

According to hypothesis of intake average stationary flow, using experimental data on engine test stand, a hierarchical model is built up to use for steady-status air fuel ratio feed-forward control. Three-dimensional original control maps are produced by the model, and data generation problem of non-experiment operation condition points is solved.

4基于进气平均稳定流动的假设，利用发动机台架实验数据，建立了用于稳态空燃比前馈控制的递阶模型，并通过该模型生成三维初始控制脉谱图，解决了非实验工况点的数据产生问题。

This paper discribes some models of reliability and statistical test based on the stochastic process and the theory of statistical hypothesis, as well as the failure data of repairable system s.

根据随机过程与统计假设理论，在分析可修复系统故障数据特点的基础上，阐述了可修复系统故障数据的可靠性分析模型。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。