均方根

The linear method and the nonlinear method were used to develop the QSAR models and both of them can give satisfactory prediction results: the root-mean-square errors were 0.4023 and 0.3124, respectively.

用启发式方法和RBFNN算法建立了两种预测模型，它们对测试集预测结果的均方根误差分别为0.4023和0.3124。

The experimental results show that the proposed method can obtain good performance in terms of both objective evaluation criteria such as root-mean-square error,signal-to-noise ratio,mean error and visual subjective evaluation criteria.

实验结果表明，无论是依据均方根误差、信噪比、灰度平均误差等客观评价标准，还是视觉的主观评价，所提出的融合方法都能取得较好的性能。

The stress range histogram was used to estimate the effective root-mean-square stress range.

应力范围直方图可用作估算等效均方根应用力范围。

Appling PCA model to analyze a large number of abnormal data and the fault detection is performed by means of the T~2 and Q charts, the MDF and its root-mean-square charts are used to analyze the condition of process.

基于建立的PCA模型对大量的异常数据进行仿真，利用T~2图和Q图进行故障检测，结合实测的结晶器摩擦力及其均方根图进行分析。

The experimental results indicate that prime root-mean-square deviation measured by this method is almost linear with the arithmetical mean deviation of the surface-samples.

实验结果表明，应用本测量方法得到的轮廓均方根偏差最佳估计值σp与表面样品给定的轮廓算术平均偏差Ra成很好的线性关系。

The correlation coefficient (R2) for the LM and SVM was 0.98 and 0.92, and the corresponding root-mean-square error was 0.99 and 2.77, respectively.

两种方法的相关系数(R2 )分别为0.98和0.92，相应的均方根误差分别是0.99和2.77。

The rootmeansquare value of the third and the fourth-order aberrations from the starburst group and moisture group are larger than the counterparts from the reference group.

视物星芒状组和视物雾状组的三阶和四阶泽尼克像差的均方根值明显大于无症状的参考组。

The coherent inversion method and rootmeansquare velocity conversion method are jointly applied to build the interval velocity model. The tomographic imaging technique is used to optimize the geologic model. Based on the research of depth migration method and comparison of migration effects, the approaches and steps for building accurate migration velocity field are summarized, thus greatly improving the effects and efficiencies of velocity modeling and migration imaging.

采用相干反演法与均方根速度转换法联合建立层速度模型，利用层析成像技术优化地质模型，通过深度偏移方法研究和偏移效果的对比，总结了建立精确偏移速度场的方法和步骤，使速度建模和偏移成像在效果和效率上都得到了很大的改善。

Analysis of characteristic of MDF abnormity Based on the measuring data of mould friction of continuous slab casting in steel plant, the fluctuation characteristic of MDF and its rootmeansquare has been studied on the unstable conditions, such as breakout, temperature system warning, abnormity of submerged entry nozzle, mould level fluctuation, and on-line change of slab width.

MDF异常特征和规律分析以宝钢2号板坯连铸机生产中的结晶器摩擦力实测数据为基础，对应现场的漏钢、水口断裂等异常纪录，讨论了生产中采取工艺操作、工艺参数变化及异常发生时MDF及其均方根的波动规律及变化特征。

This paper analyzes the influence of the shadowing effect for different surface RMS slope.

本文分析了不同表面均方根率对遮蔽效应的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。