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.
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.
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.
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.
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.
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.
应用建立在概率统计理论基础上的可靠性设计方法，探讨了压延机辊筒刚度的可靠性问题。
Using the reliability design method based on mathematical statistics theory, the reliability problem on calender roller rigidity was discussed in this paper.
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.
本文针对小子样可靠性统计试验的特点，指出经典可靠性点估计和极大似然区间估计的不足。
For the case of the reliability statistical test which is a small sample, this paper presents disadvantages of point and interval estimation of classical reliability.
本文以大量的可靠性试验统计数据为基础，分析了和论述了我国阻容电子元件的筛选技术、可靠性评价及失效机理。
On the large number of reliability test statistic data, the selection technology, reliability evaluation and failure mechanism of RC electronic components are analysed and discussed.
可靠性分析需要大量的统计资料。
Considerable statistical data is required in reliability analysis.
论文首先阐述了疲劳断裂可靠性一般理论以及应用于疲劳可靠性分析中的概率统计基础理论。
The work includes several parts as the following:Firstly, fatigue and fracture reliability theory is introduced, along with the statistics theory and its application in fatigue reliability analysis.
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.
建筑统计的有用性与可靠性如何？
文中将这一新方法应用到一个实例——工程机械轮胎可靠性仿真，所得可靠度与实际作业的统计数据甚为接近。
Finally, this method is used to show the reliability of tire for engineering construction machines in a living example, the result is very close to the statistic data in practice.
由此证实了运用数理统计方法诊断刨花板厚度偏差形成原因的实用性和可靠性。
The above results have confirmed the practicality and reliability of using statistical methods to diagnose the factors of thickness variation control in particleboard.
在对地下结构等大型复杂非线性结构进行可靠性分析中，荷载效应统计特征分析是一个比较复杂的问题。
The statistic analysis of loading effect on lining structure is a key problem for the reliability analysis of complex nonlinear underground structure.
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.
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.
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.
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.
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.
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