查询词典 allowance error

This paper stated the application of parallel link mechanism in modern machine tools,set up the error analysis as to parallel link mechanism in the virtucal-axis machine tool,derived the double triangular error equations of parallel link mechanicsm in its horizontal posture,analyzed the linearity and non-singularity of the error equations,thus giving the normal splution to the horizontal posture error.

该文对并联机构在现代机床上的应用作了论述，建立了虚拟轴机床并联机构的一种误差分析方法，应用坐标变换原理导出了双三角并联机构水平姿态时的误差方程组；分析了误差方程组的线性和非奇异性，给出了水平姿态时的位姿误差正解；对工作空间中心线的误差分布规律进行了仿真，绘制了其误差分布曲线。

In the non-regular wave experiment, the average wave height error is less than 4.87%, the average pariod error is less than 4.59%, while the repeated error of the wave height is less than 1.87%and the transverse error of wave height is less than 3.71%.

水槽模拟海浪的检验结果表明，本造波机系统能够准确地模拟波浪，规则波的波高横向误差小于2%，波高重复误差小于1.28%，周期重复误差小于0.2%；不规则波的平均波高误差小于4.87%，平均周期误差小于4.59%，波高重复性误差小于1.87%，波高横向误差小于3.71%。

A measuring system which mainly consists of a high precision motorized translation stage of one dimension, POINT GREY Flea2-14S3 CCD camera and LED light source was designed and constructed. Based on a detailed analysis for experiment results, the periodic changing law of system error of LED facula centroid location in this measuring system was found. The results indicate that based on Flea2-14S3 CCD camera, the random error of facula centroid location is about 0.018 pixels, the system error is about 0.06 pixels, and the total error is about 0.063 pixels (1/15 pixels).

利用高精度一维电动平移台、POINT GREY Flea2-14S3 CCD 相机和LED 光源构建了测试系统，对测试结果进行研究和讨论，发现了测试系统LED 光斑质心定位系统误差的周期性变化规律，计算得到了基于Flea2-14S3 CCD 相机的光斑质心定位随机误差为0.018 pixels，系统误差为0.06 pixels，总体误差为0.063 pixels(约1/15 pixels)，能够应用于以光斑质心检测为手段的测量系统中。

Custom Error Pages 自定义错误页 The first use of the .htaccess file which I will cover is custom error pages. These will allow you to have your own, personal error pages (for example when a file is not found) instead of using your host's error pages or having no page.

我想介绍的。htaccess第一个应用是自定义错误页面，这使得你可以拥有自己的、个性化的错误页面，而不是你的服务商提供的错误页或没有任何页面。

The error is described by weighted average variance-covariance of root mean square error in curve normal direction, and error in the direction with maximum error respectively.

曲线上任意点的误差由端点及距离误差传播导出的误差之加权平均值的协方差表示。

However, it is impossible to foresee the decoder state within the round-trip delay time. Consequently, to prevent such possible error effects, we further enhance SBET by ROPE. The encoder will recursively keep estimating the expected decoder pixel distortion. The distortion of frame reconstruction at the decoding side includes the quantization error, propagation error, and concealment error.

然而，在往复延迟时间内的情况则是无法预知的，因此为防范可能的错误蔓延，我们提出将递回式最佳像素预估法与其进一步结合应用，让编码端用递回的方式计算出解码端像素失真量的期望值，此失真量会包含量化失真、错误蔓延的错误和错误隐藏所带来的错误。

The comparison error rate of LSD and Duncan is equal toα, but their experimental error rate is large toα. The comparison error rate of SNK, Scheffe, Bonferroni, Sidak are smeller toα, as well as experimental error rate. The power of test of SNK, Scheffe, Bonferroni, Sidak are smeller to LSD and Duncans. When unbalance design with small sample size, the power of SNK, Scheffe, Bonferroni, Sidak are little small.

LSD检验、Duncan检验的比较错误率接近检验水准，但二者的实验错误率远远大于检验水准；SNK检验、Scheffe检验、Bonferroni检验、Sidak检验的比较错误率和实验错误率均小于检验水准，但这三种方法对均数的敏感度不及LSD检验和Duncan检验；正态分布方差齐各组不均衡且为小样本时，Scheffe检验、Sidak检验、Bonferroni检验的β_2，值均较大。

The disturbance model can give the prediction for all the 95 shock events, while STOA model works for 89 events and ISPM model for only 72 events. We arrive at 25.26% percentage of all the 95 events with the relative time error less than 10%, 50.53% of all the events with the relative time error less than 20%, 65.26% of all the events with the relative time error less than 30%, 31.58% of all the events with the relative time error between 60%~80

实验表明，我们的模型在所有95个事件中，渡越时间相对误差小于10％的事件数占总事件数的25.26％；相对误差小于20％的占总事件数的50.53％；相对误差小于30％的占总事件的65.26％；相对误差在30％～60％的之间的事件数有30个，占总事件的31.58％；有3个事件相对误差在60％～80％之间，没有哪个事件相对误差大于80％。95个事件中我们的扰动传播模型能对所有事件进行分析给出预报值，STOA模型能给出89个预报值，而ISPM模型则只能给出72个。

Southwest University of Science and Technology,Mianyang 621002,China）Abstract: This article discussed the measurement error of VOM and introduced the relationship between the relative error and intrinsic error according to the error theory.

摘 要：针对模拟万用表在测量电阻时产生的误差，通过误差理论的分析方法，导出了相对误差与基本误差之间的关系，得出了相对误差是产生测量误差的主要因素，并提出了如何减少测量误差和提高测量准确度的方法。

In this paper, based on the fundamental principle of the three-point method roundness error separation technique, the separation of cylindricity error factors and the reconstruction of the measured cylinder profile was intensively studied, and the methods of evaluating the cylindricity form error were discussed. Furthermore, the separation and reconstruction methods of the cylindricity error proposed in this paper were examined by the experiment.

本文采用三点法圆度误差分离技术的基本原理，重点研究圆柱度误差要素的分离和被测圆柱体形貌重构问题，探讨圆柱度形状误差的评定方法，并对本文所提的圆柱度误差分离及重构方法进行实验验证。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。