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比误差
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  ratio error
     Measurement of no-load voltage ratio error of ZN,yn11 grounding transformers
     ZN,yn11接地变压器变比误差测量
短句来源
     The influence of CT turn ratio to high impedance differential protection is analyzed, and the method of measuring turn ratio error is also introduced.
     分析了CT匝数比误差对高阻抗差动保护的影响,并介绍了匝数比误差的测量方法。
短句来源
     In view of the considerable difference between the measured no-load voltage ratio error of the transformer in 220 kV Qunxing Substation of Jiangmen Power Supply Branch,GPG and the specification of the manufacturer,this paper presents a method to measure the ratio error of the grounding transformer with secondary windings.
     针对广东省广电集团有限公司江门供电分公司220 kV群星变电站站用变压器变比误差测量值与厂家提供数据相差太大的情况, 提出了一种测量带二次绕组接地变压器变比误差的方法。
短句来源
     The setting of non-periodic component coefficient,transformer same type coefficient and transformer ratio error coefficient is analyzed for the misoperation of protection caused by the augment of short-circuit current multiple.
     对工频短路电流倍数增大导致保护误动的缺点,分析了非周期分量系数、互感器同型系数、互感器比误差系数的整定。
短句来源
     According to the arrangment in advance for technology parameters and optical power ratio,a monomode optical fiber coupler can be made automatically by fusing and tapering processes with the excess loss of less than 0. 2dB,power ratio error of less than 2% and end product rate of 90%.
     该设备采用光纤熔融拉锥工艺,在预设了工艺参数和分光比后,能自动完成耦合器的生产过程。 制成的X型单模光纤耦合器的附加损耗小于0.2dB,分光比误差小于2%,成品率90%。
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  ratio errors
     It shown by simulation under the same conditions with MATLAB thatthe relative standard deviations of air fuel ratio errors under random modes and transient modes are both less than 2 %. Control accuracy can be improved evidently.
     在相同条件下的M ATLAB仿真表明,随机工况和过渡工况空然比误差的相对标准差均控制在2%以内,控制精度显著提高。
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  “比误差”译为未确定词的双语例句
     Comparing calculated diffusion coefficients of 5 amino-acids in water with the values reported in literature showed an error less than 7%.
     5种氨基酸在水中的扩散系数与文献值相对比,误差小于7%。
短句来源
     The configuration of the divider is reasonable, and it has good transmission characteristic in the frequency range up to 1 GHz. The error of the voltage scale factor is 8.7%, and rise time error is 5.38%.
     该分压器结构合理,在1GHz范围内传输特性好,分压比误差8.7%,上升时间误差5.38%。
短句来源
     Beginning with analyzing the reasons of the error of scale of oxyhydrogen volume,it is to explore the match of the non-platinum electrode and the electrolytic liquid,and also discuss the factors influencing electrolytic speed.
     从分析氢氧体积比误差产生的原因入手,探讨了非铂电极与电解液的匹配以及影响电解速度的因素等问题.
短句来源
     It can be found out from their definition, uncertain degree states the more ability tomeasure quality than the error in measurement, the uncertain degree of measurement is more overall and moreconcrete than the error.
     从它们的定义可以看出,测量不确定度比误差更具有说明测量质量好坏的能力,测量不确定度比误差更全面更具体。
短句来源
     The analytical method and technique of the reliability for the multipurpose resonant column device is established, including analyses for the test error, frequency error of tests, correlation of test results and the accurate of the revised curves.
     同时,建立了一套检验其可靠性的分析方法和技术,包括误差分析、试验频率误差、试验结果相关性和自振共振修正曲线验证等多种技术手段。 建立了共振柱刚性试件剪切模量、应变和阻尼比误差的分析公式,得到了几种主要影响因素和其影响程度的新认识,并用于指导试验和分析工作。
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  ratio error
However, if the 50/50 coupler has a splitting ratio error, then the device will exhibit dispersion.
      
In order to improve the system accuracy, the ratio error in the small signals should be decreased.
      
Transformers can be characterised by its transformer ratio error, phase error and linearity.
      
This value is the root sum square of transformer ratio error, DAQ gain error, gain temperature coefficient and long term stability.
      
The root mean square contrast ratio error between model and acquired data over the entire acquired strain range was 0.093.
      
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  ratio errors
The first error is statistical, and the second one includes the systematic and branching ratio errors.
      
In practice, the residue gain is slightly di erent than 1.95, due to nite op-amp gain and capacitor-ratio errors.
      
Predicted depolarization ratio errors given the measured transmission of the receiver for each liquid crystal state and each incident polarization.
      


In the bulk of foreign papers dealing with the flashing two-phase flow ofsaturation fluid,only the flashing flow and critical flow rates in horizontal tubehave been discussed.In this paper the effect of fluid-pressure height on flow rate is consideredand assumption of homogeneous flow model and isentropic expansion is adopted.The relationship between the flow…rate,and…pressure,P,and the calculatingformula of critical flow rate acr and critical pressure Pcr are developed.Compared with experimental results from...

In the bulk of foreign papers dealing with the flashing two-phase flow ofsaturation fluid,only the flashing flow and critical flow rates in horizontal tubehave been discussed.In this paper the effect of fluid-pressure height on flow rate is consideredand assumption of homogeneous flow model and isentropic expansion is adopted.The relationship between the flow…rate,and…pressure,P,and the calculatingformula of critical flow rate acr and critical pressure Pcr are developed.Compared with experimental results from relevant foreign paperss,the errors ofthe present calculation results remain within +10%.the Calculation is verysimple as well.

关于饱和流体的扩容两相流动问题,在国外绝大多数文献中仅讨论水平管内的扩容流动和临界流率。本文考虑了液压高度对流率的影响,采用均相模型,等熵膨胀假设,导出了流率与压力的关系式以及临界流率与临界压力的计算公式,计算结果与实验数据相对比误差在±10%以内。计算方法也很简便。

In this paper,two methods are developed to assess the blending ratio of two-componentfiber bundles by their strength curves.They are the peak-height method and the slopemethod.The relationship between biending ratio and testing data was analysed,and theregression curves were obtained by stepwise regression method.It was pointed out that thetesting errors of both methods were less than two percent.The validitty of both methodswas verified by experiments.All calculations of both methods were completed by computer,and...

In this paper,two methods are developed to assess the blending ratio of two-componentfiber bundles by their strength curves.They are the peak-height method and the slopemethod.The relationship between biending ratio and testing data was analysed,and theregression curves were obtained by stepwise regression method.It was pointed out that thetesting errors of both methods were less than two percent.The validitty of both methodswas verified by experiments.All calculations of both methods were completed by computer,and the blending ratio was ascertained from the testing data of bundle fiber strength testerwhich was made by the authors themselves.

本文推导出利用双组分束强曲线测定其组分纤维混和比的两种方法:峰高法及斜率法。分析了混和比与测试值的关系,运用逐步回归的方法得到其回归曲线。通过这两种方法测得纤维混和比的误差不大于百分之二。实验证实这两种方法是可靠的。所使用的束纤维强力仪是自制的。在测试中由计算机完成全部计算工作,可直接给出混和比值。

Determination of errors of aspect ratio of coke grains byQ520 Image Analysis System and the influence of placement of coke grains on average values of aspece ratio were investigated. Results obtained from Q520 were compared with thoss measured through manual way.

本文研究了Q520图象仪测定焦炭颗粒长宽比的误差及颗粒摆放的方式对其平均长宽比的影响,并之对图象仪测定结果与手工测定结果进行了比较。

 
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