• Based on the statistics of a large sample of data, the Boltzmann constant is determined at a relative error of 4%.

    基于对大量数据的统计分析,计算出了玻尔兹曼常量,与理论值的相对误差约为4%。

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  • The dynamic tester is characterized by stable performance. easy operation and high degree of automatization with a relative error of lower than 10%.

    这种动态防塌仪具有性能稳定、操作方便、自动化程度高和重复性好的特点,相对误差小于10 %。

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  • Compared with the common POM measurement, spectrometer measurement could give the results with a relative error less than 5%, showing a high precision.

    经和常规POM测量结果对比,发现二者相对差异在5%以内,说明分光计法具有较高的精确度。

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  • The mean blood velocity was estimated using the proposed method with a relative error of 5.62%, which demonstrated improved accuracy compared to 12.83% by using the high-pass filtering method.

    实验中得到了与实际更接近的平均流速估计,相对误差仅为5.62%,与滤波法的相对误差12.83%相比,准确性得到了一定的提高。

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  • But instead of measuring one period, I'm going to measure ten periods, because that gives me a smaller uncertainty, a smaller relative error in my measurements.

    并不是,测量一个周期,而是,测量10个周期,因为这样,不确定性减小,测量值的,相对误差减小。

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  • Relative to the funds we have, I will have a higher tracking error and more active money, and probably more in medium and small sized stocks.

    与我们的基金有关的,我会允许高一些的跟踪误差和更多的流动货币,可能更多的在中小规模股票。

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  • This paper simply introduces a ruby laser with max. relative error of output energy< 2% and it's features about construction.

    本文简介一种输出能量最大相对误差小于2%的红宝石激光器及其结构特点。

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  • For 481 experimental data points of 29 hydrocarbons, including high-molecular-weight hydrocarbons, the new method gives a relative average error of 3.2%.

    对29种包括大分子的烃类物质,481个实验数据点,本方法的平均相对计算误差为3.2%。

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  • The numerical experiment results show that the mean forecast relative error is 1.73% even with a simple strategies library.

    数值实验显示,虽然策略库比较简单,但其预测的平均相对误差仅为1.73%。

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  • The results show that the theory is consistent with the experiments. The relative error of the measurement is less than 12.4%, suitable for a microanalysis.

    结果表明,理论分析结果和实验数据吻合较好,最大相对误差为12 . 4%,满足微量分析的要求。

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  • A method for evaluation of uncertainty was established with standard deviation of relative error.

    建立了一种以相对误差的标准偏差统计不确定度的评估方法。

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  • Aimed at the characteristic of bigger single point location error, a new measuring method using two points relative location measurement to reduce location measurement error was put forward.

    针对单点定位误差比较大的特点,提出了用两点相对定位的测量方法来减小定位误差。

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  • The relative error of displacement measurement is less than 1% in comparison with that measured by a reference vibration platform.

    与振动台的试验对比,位移测量相对误差小于1%。

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  • Heretofore, the error of the size of apertures is represented as a relative shift between the focus and the edge surface of the mirror, and then the image quality is computed accordingly.

    把口径误差表示为焦点与端面的相对位移,可以定量计算口径误差对象质的影响。

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  • The problem of satisfactory PID control for a class of stochastic systems with constraints on dynamic error coefficient, steady-state output variance and relative stability margin is considered.

    研究一类随机系统具有期望的动态误差系数、稳态输出方差和相对稳定裕度约束的满意PID控制问题。

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  • Furthermore, a three-dimensional nonlinear formation controller based on relative error is designed and the tracking control law is obtained.

    设计了基于相对误差的三维非线性跟随弹编队控制器,得到相应的跟踪控制律。

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  • The simulation results show that within the range of 8% longitudinal and 5% transverse relative error the blazed grating has a good dichroic effect.

    模拟结果显示在8%和5%纵横向相对误差范围内,该闪耀光栅具有良好的分色效果。

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  • The small average relative error of tracer concentration in the different range of researched gas flow capacity shows a better quenching effect of the new quench mixer.

    在所研究的气体流量范围内,示踪剂浓度的平均相对偏差均较小,说明新型急冷混合器具有较好的混合效果。

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  • Positional and attitude error dynamics model of small satellite relative to a target satellite was derived, then the desired relative orbit and desired attitude of small satellite were designed.

    建立了小卫星相对轨道和姿态的误差动力学模型,根据作业任务和姿态指向要求确定了小卫星相对轨道和姿态的期望运动;

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  • With the selection of a gas liquid computational model to calculate bottom hole pressure and compare with observed pressure, its relative error is less than 2%.

    选用气液两相计算模型计算井底压力并和实测井底压力进行了对比分析,相对误差均小于2 %;

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  • The micro-CT system is used to reconstruct a Lucite sample first and the result shows that the system has a high precision, the relative error of reconstruction is under 0.6%.

    采用所设计的微型CT系统对有机玻璃标准样品进行了三维重建,结果表明该微型CT系统具有较高的精度,重建相对偏差在0.6%以内。

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  • A modified segmental quadratic interpolation method which describes the shape of optical system pupil with relative coordinate error less than 1% and area error about 0.25%, is presented.

    本文提出了一种改进的分段二次插值法描写光学系统的光瞳形状,得到了满意的效果,其坐标误差小于1%,面积误差约0.25%。

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  • A case study on SLS of this Cu-based metal powder to fabricate a gear is carried out. 82% relative theoretical density and transverse dimension error of 1.9% are achieved.

    最后给出了激光烧结上述金属粉末制造齿轮的加工实例,其致密度达理论密度的82%,而横向尺寸误差仅为1.9%。

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  • Through system dynamic simulation, a result of stable running status and all right control effect is obtained. The relative error of NSP temperature is below 1.4%.

    系统仿真运行试验表明,控制器运行稳定,分解炉温度相对误差低于1.4%,控制效果良好。

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  • The small average relative error of tracer concentration in the different range of researched gas flow capacity shows a better quenching effect of the new quench …

    在所研究的气体流量范围内,示踪剂浓度的平均相对偏差均较小,说明新型急冷混合器具有较好的混合效果。

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  • The simulation results show that the results of this method have a relative small error that is as good as expected.

    实例表明,利用该方法迭代后的学习结果更容易将误差减小至期望值。

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  • However, when the scene on the ground is photographed from a satellite, if the velocity was taken as one of the ground relative to the satellite, then the great error would be made.

    但是,从卫星上拍摄地面照片时,如果把速高比中的速度取为地面相对于卫星的速度,则会导出谬误。

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  • However, when the scene on the ground is photographed from a satellite, if the velocity was taken as one of the ground relative to the satellite, then the great error would be made.

    但是,从卫星上拍摄地面照片时,如果把速高比中的速度取为地面相对于卫星的速度,则会导出谬误。

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