查询词典 mean-square error

The relative Mean Error Percent between the forecast value of the 10 groups of testing samples and the observed value are all below 4%.

训练好的模型经10组检验样本检验，其预报结果和实测结果的平均相对误差都低于4%。

The relative mean error percent between the forecast and the measured value of the 20 groups of testing samples are reduced to 2.55% and 2.23% from 3.56% and 3.48% respectively; the correlation coefficient between them are also improved.

粗纱CV值和单重的20组数据预报表明：预报值与实测值间的相对平均误差率由之前的3.56%和3.48%分别降低到2.55%和2.23%；预报值和实测值间的相关系数较之前大为提高。

By means of PSO and taking the minimum mean absolute percentage error of the forecasting model as objective function, the optimal model parameters are chosen.

通过粒子群优化算法，以模型预测平均绝对百分误差最小为目标，选择最优的模型参数。

According to three compared experiments, which are using simple tactile guide, with visual guide and with tactile board, we conclude that the simulated phosphene positioning system with tactile board is accurate (the mean error is less than 10mm) and reproducible (the standard deviation is less than 6mm) in evaluating simulated phosphene.

如此循环往复，在经过简单触觉导航、加入视觉导航和具有触摸板导航的三个对照性实验后，我们得出具有触摸板导航的模拟光幻视定位系统能够精确(平均误差小于10mm)且稳定(标准差小于6mm)的对模拟光幻视点进行定位。

Results: The mean concentration and standard error of Fe. Ca, Zn, Cu. Mg and Pb in the blood of all subjects were 8.30±0.79μmol/L, 1.59±0.14 mmol/L, 70.68±9.45μmol/L, 15.56±3.42μmol/L. 1.68±0.14 mmol/L and 0.354±0.130μmol/L, respectively. Amount of children occurred the deficency of Ca, Zn and Fe and plumbism.

结果：以平均值±1倍标准差的形式来表示所有儿童全血微量和铅的测定结果如下(平均值x±s：Fe，(8.30±0.79)μmol/L；Ca，(1.59±0.14)mmol/L；Zn，(70.68±9.45)μmol/L；Cu，（15.56±3.42μmol/L；Mg，(1.68±0.14)mmol/L；Pb，(0.354±0.130)μmol/L。

This is also a data processing method to eliminate the effect caused by random error of non—zero— mean measurement results.

同时这种估计方法也是一种减小非零均值随机误差对测量结果的影响的数据处理方法。

A filtered transformation and a stochastic control Lyapunov design method are applied to Marino-Tomei systems driven by Wiener noises of unknown covariance. A parameter adaptive law and a control law are obtained to ensure that the closed-up systems are noise-to-state stable and the tracking error can converge to a small residual set around the origin in the sense of mean quartic value in average.

通过滤波变换，采用随机控制Lyapunov设计方法，对于受方差未知的Wiener噪声干扰的Marino-Tomei非线性系统，给出了参数自适应律和控制律，使得闭环系统成为噪声--状态稳定的，并且跟踪误差的4次均方值在时间平均意义下收敛到一个足够小的区域内。

Because of the error in this approximation by a fraction , and because of the higher-order terms in the polynomial for the moment of mean syzygy, the accumulator needs to be corrected by subtracting 1 once every 65 years or so.

由于在逼近时的误差只会出现在分数上，并且是此刻的平朔望多项式展开的高阶项目，累加器大约要经过65年才需要予以更正减除一天的误差。

These verbs mean to lead another into error, danger, or a disadvantageous position, for the most part by underhand means.

这动词是通过狡诈的手段把他人导入错误、危险或不利的位置的意思。

Normal vectors, Gaussian and mean curvatures estimation are obtained by different curvatures estimation methods, and the error is computed by comparing estimation results with real ones on the sphere of unit radius and toms.

在单位球面和环面上，利用不同的曲率估计方法得到法向量以及高斯曲率，平均曲率的估算值，再将估算值与实际值做比较求误差。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。