• 本文数论方法推导出一个计算旋转体体积近似公式给出近似公式误差估计

    An approximate expression of the volume of body of rotation together with its error estimation is derived on the basis of theory of numbers.

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  • 利用泰勒级数导出阿基米德齿轮滚刀造形误差近似公式

    This article USES Taylor Progression to figure out the approximate formula of the forming errors of Archimedes gear hobs.

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  • 本文允许误差范围内,导出了目标函数近似给出优化截面简化公式

    In this paper deduces an aim-functional approximative formula is derived in the range of the allowable error and the simple formula for optimum section is found.

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  • 因为天然河道形状复杂,故而在近似化为宽浅人工渠道并用曼宁公式处理时不可避免地带来模型误差

    Because the situation of an actual river is so complex (not as artificially channels) that using Manning's equation will lead to error inevitably.

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  • 结论周向应力近似公式及其绝对误差公式简单易行,便于临床应用。

    Conclusion the approximate formula of circumferential stress and the absolute error is accepted, which is easy for the application.

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  • 本文用极坐标法放样,讨论了线路曲线一点坐标计算公式及其近似公式误差大小。收藏。

    Using polar coordinate system to set out, the coordinate computing formula and the error of its approximate formula are discussed of any point in line.

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  • 本文用极坐标法放样,讨论了线路曲线一点坐标计算公式及其近似公式误差大小。

    Using polar coordinate system to set out, the coordinate computing formula and the error of its approximate formula are discussed of any point in line.

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  • 为了验证这些近似公式正确性以及了解它们误差大小,并通过一些实例将它们电子计算机准确结果进行了比较。

    In order to check the correctness of these approximate formulas as well as to get some idea about the magnitude of errors, we compare them for some examples with the exact results calculated THR...

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  • 针对目前圆形断面均匀流水计算公式存在计算误差适用范围弊端,欲提出一种新的近似计算公式

    For present shortcoming of water depth of uniform flow in circular section, which is great calculating error and small application scope, this paper desired to get a new approximate formula.

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  • 对于定积分近似计算中常使用经典SIMPSON公式介绍一种新的简洁证明方法并给出误差最佳估计

    We introduced a new and simple proof of the classical SIMPSON quadrature formula which is frequently applied in calculating definite integrals and best estimation of error is obtained.

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  • 计算公式简单、明了得到任意误差微扰近似公式

    The formulae for the calculation are very simple and can be used for finding errors of any order.

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  • 近似同步提供了一个用基于系统辨识的矩阵反演定理导出误差校正公式,它消除近似同步采样造成的原始误差

    ASM also provides an error correction formula deduced from matrix inversion theorem to clear up the error originated from approximate synchronous sampling.

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  • 通常通过对跨线测量各种近似公式全微分得到近似误差公式

    Generally, the error formula of over-wire measurement is derived from an approximate formula.

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  • 本文给出一个比较简单公式用以计算拉普拉斯函数近似,计算误差超过0.000064。

    This paper presents a simpler formula for calculating the approximate value of Laplace function with an error not more than 0.000064.

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  • 推导了三模定位误差通用计算公式微分近似计算公式,提出不同定位误差要求下三种定位钻模适用加工场合

    The general calculation formulas and differential approximate calculation ones are deduced, and the different machining occasions applying those jigs in condition of different demand o…

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  • 目的】针对目前圆形断面均匀流水计算公式存在计算误差适用范围弊端,欲提出一种新的近似计算公式

    Objective for present shortcoming of water depth of uniform flow in circular section, which is great calculating error and small application scope, this paper desired to get a new approximate formula.

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  • 讨论阶段抽样比率估计及其样本量选择问题,给出比率估计抽样均方误差近似公式及其无偏估计的公式

    We give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling.

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  • 讨论阶段抽样比率估计及其样本量选择问题,给出比率估计抽样均方误差近似公式及其无偏估计的公式

    We give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling.

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