心理计量学家一般认为IQ测试统计可靠性高。
Psychometricians generally regard IQ tests as having high statistical reliability.
虽然许多地区都有人口普查的统计数字,但可靠性参差不齐,也没有提供语言结构及语言社会用途方面的信息。
While census Numbers exist for many areas, they vary in reliability and provide no information about the structure of languages or their use in society.
数据泄露加剧了对中国经济统计数据可靠性的质疑所带来的问题。
Data leaks compound problems caused by doubts about the reliability of China's economic statistics.
置信区间的意义很直观,因为它们的大小表示可靠性:窄的区间表示统计数据比较精确,宽的区间表示统计数据不太确定。
Confidence intervals are intuitive because their size indicates reliability: short intervals indicate that the statistic is precisely known, while wide intervals indicate uncertainty.
本论文研究产品系统贮存可靠性的统计推断与可维修性策略及其优化。
The statistical inference of storage reliability for product systems and its maintenance strategies are studied in this thesis.
执行可靠性测试和根本原因和失效分析复杂问题和系统使用适用的统计方法。
Perform reliability testing and root cause and failure analysis of complex problems and systems using applicable statistical methods.
软件具有通用性强、使用方便等特点,不仅能完成故障统计,进行可靠性指标和寿命指标的计算,而且能系统分析整车的故障规律。
With a strong universality and facility, the software has the properties to count failure, calculate reliability indicator and life indicator, and seek for failure law.
丹尼斯和埃克哈特的原则要想起作用,要想有统计学上的可靠性,就要保持简单。
For Dennis and Eckhardt's rules to work, to have some statistical reliability, they had to be simple.
关于软件系统故障行为的统计假设,是软件可靠性模型的理论基础。
The statistical hypotheses about failure behavior of a software system are theoretical bases of software reliability models.
这样,大大地简化了在一大类统计特性缓慢变化的非平稳随机载荷作用下的结构的寿命与可靠性估计问题。
Thus, the problem of estimating of the reliability of structures under a big class of nonstationary random loadings with slowly varying statistics can be simplified significantly.
可靠性分析需要大量的统计资料。
Considerable statistical data is required in reliability analysis.
本文采用原子吸收分光光度法,测定铁强化盐中微量铁。用数理统计方法检证了方法的可靠性。
The paper reports atomic absorption spectrum for determination of trace Fe in additional Fe salt. The reliability of this method is examined by mathematical statistics way.
电力系统元件可靠性数据的统计分析对电力工业有重要意义。
Statistical analysis of reliability data for power system units is valuable for electric industry.
建筑统计的有用性与可靠性如何?
由在役抽油机故障的现场数据来判定其寿命统计模型,实现对抽油机使用可靠性的定量评定。
According to the failure site data of the well pumping unit in active service, its life statistical model is determined and the service reliability is evaluated quantitatively.
根据现场实际,依靠可靠性数据统计方法,提出切实可行的维修维护策略。
A feasible maintaining strategy has been put forward according to the worksite practice and the statistic method of reliability data.
本文给出了制订定时截尾下指数分布产品可靠性抽样检验方案的统计方法。
This paper gives a statistical method of working out reliability sampling inspection plans for items whose failure times are distributed as exponential distributions.
在塔器的可靠性强度设计中,需要进行各种随机变量的统计分析。
In the design of mechanical strength reliability of tower vessel, all kinds of random variables need to be analyzed statistically.
以随机动应力统计特征为依据,校核织布机弯轴的强度,并建立新的可靠性指标。
Based on the statistical character of random kinetics stress the strength of loom crank shaft is calibrated, and new reliability indexes are established.
在进行机构可靠性分析时,如何求失效模式中有关随机量的统计特征是一个难点。
In analyzing the reliability of a mechanism, how to get the statistic characteristics of the relating random parameters in a failure model is a difficult problem.
系统存在共因故障时,由于单元之问的统计相关,增加了系统可靠性分析的困难。
When the system has the common cause failures, units of system is not statistical independence, where is the difficulty of system reliability analysis.
应用可靠性统计方法,对寿命服从极小值分布的MIS软件,建立最大似然方程的参数迭代法。
By applying the method of reliability statistics, a parameter iteration of maximum likelihood equation is set up for MIS software with an operation life submitting to minimum distribution.
在研究测量误差分析、模型误差统计检验、变形分析、可靠性分析和优化设计等问题中,经常需要对统计量分布的非中心参数进行估计。
The noncentral parameter of statistic distribution often needs to be estimated in error analysis, statistical test, deformational analysis, reliability analysis, and optimum design, etc.
根据失效触点成份统计分析,影响触点可靠性的颗粒物中除了硬质颗粒外,软质颗粒物也是一个不可忽略的因素。
According to statistical analysis for components of failure electric contacts, soft particles play important roles in impacting reliability of electric contacts besides hard particles.
在元器件质量和可靠性分析中,往往要确定试验和测试数据的统计分布规律。
When analyzing the quality and reliability of electronic parts, the statistic distribution of the testing data should be known.
要改进该技术,不仅需要确定可靠性物理模型参数,而且要求掌握参数的统计分布特性。
To improve the technique, both the values of parameters in physical model of electromigration and the statistic distribution property of the parameters are needed.
本文采用可靠性技术,对某种栓孔间距进行了统计分析,从而为进一步研究栓孔间隙对连接件疲劳寿命的影响及对整机寿命的影响,提供了可靠的数据支持。
The statistic analysis of the space of bolt joints in this paper provides reliable data for the further study of the effect of the bolt-hole clearance on complete machines.
采用统计过程控制(SPC)技术,提高微电路产品的质量和可靠性,监控键合工序的生产过程状态。
Statistical process control (SPC) technique is used to improve quality and reliability of microelectronic products, and monitor production conditions of wire bonding process.
采用统计过程控制(SPC)技术,提高微电路产品的质量和可靠性,监控键合工序的生产过程状态。
Statistical process control (SPC) technique is used to improve quality and reliability of microelectronic products, and monitor production conditions of wire bonding process.
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