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实测数据统计
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  statistics measuring data
     The paper discusses the foundation of statistical AR model of low voltage power line firstly,and using this method the statistics measuring data are obtained and the low voltage power line characteristics are showed.
     概述了低压电力线统计AR模型的建立方法,并用这种方法得到了实测数据统计结果下的低压电力线信道特性;
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  “实测数据统计”译为未确定词的双语例句
     The difference between the measure parameters with the traditional model's parameters in LOS and NLOS case is analyzed and the modified channel model is presented.
     根据测量结果分析了传统模型在视距(LOS)和非视距(NLOS) 情况下实测数据统计参数与模型参数的差异,并给出改进后的信道模型。
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     According to in-situ observed statistic data from 27 wells in6 oilfields, the author discusses the power-saving modification results and application limits of conventional pumping units.
     本文根据6个油田27口井的实测数据,统计了常规抽油机节能改造的经济效益,并介绍了其适用范围。
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     In the process of research and development of drying machine with heat pump, by means of counting a large of number measuring data and comparing with other wood drying methods, the heat pump drying machine has been proved to be with advantage on drying quality and the cost.
     在热泵干燥机的研制开发过程中,通过大量实测数据统计,对比其它木材干燥方式,热泵式木材干燥无论在干燥质量还是成本上都具有优势。
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     Based on principle of statistics, the free, uncongested and congested flow stages are plotted out, models of speed flow for freeways are presented by means of analyzing a great deal of field survey trafic flow data and with reference to results of domestic and abroad research on freeway.
     从数理统计学原理出发 ,以交通流实测数据统计分析为主 ,辅以国内外有关研究成果 ,划分自由流、稳定流和拥挤流 ,建立符合中国公路交通实际工况下的高速公路速度—流量模型
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     It is to be proved in this paper that the summation exponent in IEC report is not suitable for summation of harmonic voltage of electric railway in power system through statistic and calculation based on a great deal recorded harmonic data of electric railway.
     通过大量实测数据统计和计算发现:该报告中提出的叠加指数不完全适用于电气化铁道牵引负荷在电力系统侧引起的谐波电压叠加。
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     Statistics
     统计数据
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     3) the Statistic Information involving natural disaster, and social economic data.
     3 )统计数据
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     DATA & INFORMATION
     数据
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     DATA
     数据
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     So it need a lot of measure data for statistic analysis.
     这就需要大量的实测数据来进行统计分析。
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A simplified flexural expression for stiffness B_d of R. C. flexural members with crackings under short-term loading, is presented in this paper, It is derived by means of regression analysis from the deflection measurements of 190 members including T, inverted T, and Ⅰ sections. The results are compared with those obtained by the formulas given in the current Reinforced Concrete Structural Design Code(TJ10-74), showing that the average f~s/f is close to and value c, slightly larger than the latter.The new expression...

A simplified flexural expression for stiffness B_d of R. C. flexural members with crackings under short-term loading, is presented in this paper, It is derived by means of regression analysis from the deflection measurements of 190 members including T, inverted T, and Ⅰ sections. The results are compared with those obtained by the formulas given in the current Reinforced Concrete Structural Design Code(TJ10-74), showing that the average f~s/f is close to and value c, slightly larger than the latter.The new expression is rather simple in computation and also provides clear quantitative relation for the main factors affecting the stiffness, so it is of better practical significance.

本文通过对我国现行钢筋混凝土结构设计规范(TJ10-74)计算受拉区出现裂缝的截面刚度B_d公式的分析和对190根钢筋混凝土矩形、T形、倒T形和工字形截面梁的挠度实测数据的统计,提出了B_d的简化计算公式。计算结果表明,建议公式与规范公式相比,平均f~s/f值接近,c_v值略大一些,而计算简便得多。此外,建议公式对影响刚度的各项主要因素提出了明确的定量关系,对迅速合理地进行结构截面刚度设计具有较大的实际意义。

This paper endeavors mainly to introduce the control factors for the flatness of stainless steelplate. The investigation carried out in the present work involves: 1. The influence of stability of roll gap under dynamic state on plate flatness;the approach toenhance the stability of roll gap;the experimental demonstration and the effects obtained in produ-ction. 2. The characteristics of the end-down and end-up of stainless steel plate in rolling and thespecial measures for solving these problems. 3. The influence...

This paper endeavors mainly to introduce the control factors for the flatness of stainless steelplate. The investigation carried out in the present work involves: 1. The influence of stability of roll gap under dynamic state on plate flatness;the approach toenhance the stability of roll gap;the experimental demonstration and the effects obtained in produ-ction. 2. The characteristics of the end-down and end-up of stainless steel plate in rolling and thespecial measures for solving these problems. 3. The influence of deformation temperature on the flatness of stainless steel plate;the statisti-cal results based on the data measured on-site being provided. 4. The main factors affiecting plate crown (including cold roller canflguration,roller wear,hotcrown and plastic deformation of rollers) are analysed on the basis of the data measured on-sitewith multivariate linear regression method and a simplified expression is provided in this pepar.

本文主要从以下几方面介绍在不锈钢板板形攻关过程中取得的效果。 1)轧机动态辊缝稳定性对板形的影响,提高辊缝稳定性的方向,试验验证和收到的效果。 2)不锈钢板在轧制过程中的扣头、翘头的特殊性及解决它的特殊方法。 3)变形温度对不锈钢板形的影响,给出了现场实测数据的统计结果。 4)据现场实测数据,对影响钢板凸度的几个主要因素(冷辊型、磨损、热凸度和轧辊弹性变形)进行了多元线性回归分析,给出了一个比较简单的表达式。

Under no-load operating condition, and step-disturbance, the transient process time t_p is independent to water in teria time constant T_w of per stock this fact was proved by statistial analysis and theoretical investigation.Under full-load operating condition, and step-disturbance, the transient process time t_p of turbine speed regulating system is proportional to water interia time constant T_w of penstock.

通过对现场实测数据的统计分析和理论分析证明,空载工况下,阶跃扰动时,过渡过程时间t_p与引水钢管水流惯性时间常数T_w无关;在满载工况下,阶跃扰动时,调速系统的过渡过程时间t_p与引水钢管水流惯性时间常数T_w呈线性关系。

 
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