桥梁耐久性差、服务寿命短及全寿命经济性指标差等问题已成为世界性难题。
Poor durability, short service life and low economical efficiency of Bridges have become a worldwide difficult problem.
从教授的反馈和论文考试的数量这两个指标来看，精英学校的表现略差。
On two measures—professors' feedback and the number of essay exams—selective schools do slightly worse.
由于这些指标永远都是递增的，所以必须事先确定一个基准，再根据它计算出之后的差量。
Because these metrics perpetually increment, you must take a baseline before and calculate the difference afterward.
随着起重机运行时产生的冲击和振动，可能引起轨道安装的松动、连接件脱落、变形、裂纹、精度指标超差。
With the impact and vibration of the crane, it may cause the rail installation loose, the connector fall off, deformation, crack, precision index super difference.
这和Lesa Mitchell在“女性创业者作茧自缚”(womenentrepreneursaretrappedinglass walls)中提到的不约而同：女性创业者在重要指标上都比男性表现差。
This is the same point Lesa Mitchell made in women entrepreneurs are trapped in glass walls — that “womens’ startups under-perform on key measures of growth.
当各项指标均符合结束要求而只有小车轨道街头的高低差超标时。
When all the indicators are in line with the requirements of the end of the street and only the difference between the high and low street.
在整个比对过程中，我们希望得到被测电池电压差的稳定性指标。方法是从几个冗余的读数计算出其标准偏差。
Throughout the entire intercomparison process, it's desirable to establish the stability of a measured cell difference by calculating a standard deviation across several redundant readings.
天然气输差是燃气公司一个重要的经济指标。
The transmission error of natural gas is an important economical index for gas transmission companies.
利用冲击振动试验法可以准确得到桥墩的一阶振型和一阶频率，利用这两个参数可以构造出一阶振型比、特征参数、一阶曲率模态差三个指标。
The first-order mode and the first eigenfrequency of the pier can be obtained easily and precisely by the impact vibration test method, from which three indexes such as the chang.
由于农艺性状指标间互相关的影响，冠层温度与农艺性状指标间的单相关系数可靠性差，且与偏相关系数有明显的差异；
The reliability of simple correlation coefficient is lower because of the cross correlation of agronomic character indices, and the reliability of partial correlation coefficient is higher.
将所有的研究的数据合成，对于分类变量效应指标为风险比，对于连续型变量效应指标为加权均数差，根据研究样本的大小来加权。
Data were pooled across studies, and relative risks for categorical outcomes and weighted mean differences for continuous outcomes, weighted according to study sample size, were calculated.
对男、女大学生体育运动与“性差”中“非显性差异”的有关指标进行对比研究。
This article studies some unobvious difference indexes of sports by comparing the male and female university students.
传统的供给链绩效评价指标体系方法需要具体分析整个指标体系的所有指标，涉及工作量大、过程复杂、实用性差。
The traditional supply chain performance indicator system method must analysis all the indicators, which has a huge workload, a complex process, and a little practicability.
为了提高收视质量，对系统设计中的载噪比和复合三次差拍（CTB）指标必然提出更高的要求。
As a result, it would carse more serious noiSe and distortion, In order to improve the reception quality, we are asked to make better design of a carrier for its noise ratio and CTB target.
提供了一个在数学期望值不相等条件下进行概率分析的新方法，该方法采用所谓标准差系数作为分析指标。
Using the standard deviation coefficient as analysis target, the author provides a new probability analysis method, in case the mathematical expectations are different.
轨道不平顺最大值用于紧急补修评价指标，区段的标准差用于大型养路机作业的评价指标。
Maximum track irregularity is the evaluate index in emergency maintenance and standard deviation of section track irregularity is the evaluate index in track maintenance machine work.
基于动态平差模型，应用多指标动态规划工具建立了两种同时顾及精度，费用和可靠性准则的二类优化设计模型。
Starting with two models of the dynamic adjustment, two models of second order optimal design are proposed by taking into account the criteria of precision, cost and reliability.
六标准差；DMADV； 制程能力指标；组装效率分析图；品质机能展开。
Six Sigma; DMADV; Process Capability Indices; Assembly Efficiency Analysis Diagram; Quality Function Deployment.
研制了一种具有良好刻蚀容差性能的类发夹型高温超导滤波器，在同等刻蚀条件下，达得更高的性能指标。
A high-temperature superconductivity (HTS) quasi-hairpin filter with high etching error tolerance was developed, which had better characteristics than other structures on the same etching condition.
结果表明各项闭合差与精度指标均优于规范规定，可以满足地铁施工要求。
It is concluded that all closed differences and accuracy indexes have merits than regulations, therefore it can satisfy the requirements in railway construction.
解决了现有 技术中存在的对饮用水的处理效果差各项指标达不到要求的问题。
The invention solves the problems existing in the prior art that the treatment effect of drinking water is poor, and each index can not reach the requirement.
结论：无症状非吸烟者随年龄变化，其吸呼气相hrct肺密度定量指标，尤其是呼气相平均肺密度和肺密度差，发生了相应的变化。
Conclusion: Quantitative parameters of inspiratory and expiratory lung HRCT, especially mean lung density and the density difference changed subsequently with aging in asymptomatic nonsmokers.
多项指标分析结果说明加工精炼程度越高，储藏稳定性越差。
The results of various standard analysed explain that, the refining degree is deeper. the stability is poorer.
研究了非均质连通率与注水指标及开发效果的关系，分析并阐明了连通率差的注水井组注水不满足和水淹水窜的矛盾。
Relations are studied among non-inhomogeneity rate, accumulated injection-production volumes and water-injection indexes. Contradictions should be properly handled among poor reservoir con...
对数模转换器的差分线性、镇定时间以及开关瞬态幅度等动态指标直观迅速的进行评价。
It immediately appraises dynamic target which are difference linear, catch time and glitch of DAC.
基准源作为其中关键模块之一，不仅需要为系统提供精准的偏置电压和偏置电流，差分基准源还将为其提供比较电平和残差电压，它的性能将直接影响到系统指标。
Reference is the key part of ADC, not only providing the bias voltage and current for the system but also playing the part of the compared voltage and subtracted voltage.
基于标准差和变异系数两个指标，采用聚类分析，可将土壤剖面水分垂直变化划分为四个层次：速变层、活跃层、次活跃层和相对稳定层。
Based on the standard deviation and variation coefficient, soil water change in the profile could be divided into four layers by cluster analysis.
基于标准差和变异系数两个指标，采用聚类分析，可将土壤剖面水分垂直变化划分为四个层次：速变层、活跃层、次活跃层和相对稳定层。
Based on the standard deviation and variation coefficient, soil water change in the profile could be divided into four layers by cluster analysis.
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