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mean square deviation     
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  均方差
     The results are satisfactory. Seperation R≥1.54, relative deviation 0.073, and mean square deviation≤0.374.
     获得了较为满意的结果,分离度≥1.54,最大相对偏差≤0.073,最大均方差≤0.374。
短句来源
     RESULTS:Standard deviation of normal-to-normal intervals(SDNN),rate of mean square deviation of successive R-R intervals(RMSSD),the percentage of R-R intervals>50ms(PNN50) and high frequency(HF) all obviously increased after treatment;
     结果:治疗后连续R-R间期标准差(SDNN),相邻R-R均方差(RMSSD),相邻R-R间期大于50ms百分数(PNN50)、高频功率(HF)值均明显上升;
短句来源
     The model 2 of nine d_(0.1) models was selected for P.davidiana. The syst- ematic error was<±0.08% and the mean square deviation was<2.604%.
     山杨从9个d_(0.1)预估模型中选用了模型(2),系统误差<±0.081%,均方差<2.604%。
短句来源
     The presented formulae for describing the estimation process indicate that the mean square deviation of detection accuracy of target bearing from detection device should be no more than 0.1degree.
     文中给出了估计过程的运算公式,指出检测装置对目标方位的检测精度要求均方差不大于0.1°。
短句来源
     Results The mean square deviation between the obtained expression of PDD(in the ray field from 4×4 to 40×40 cm2 and in the ray depth from dmax to 30 cm)was less than 1%.
     结果所得到的百分深度剂量表达式在射野4x4到40x40cm2,dmax到30cm深度范围内与实测数据的均方差小于1%。
短句来源
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  均方差值
     It explicited such concepts as the definition, measuring method and evaluation index of the pavement roughness, etc, elaborated the measuring principle of the continuous type pavement measuring instrument and calculation formula of mean square deviation (δ )in detail, have set up artificial model which imitated the measuring course of the eight appearances on the ideal sine pavement model, and worked out programs in MATLAB scientific calculation language, calculated and derived out the quantitative relation among mean square deviation of the roughness, the wavelength and amplitude of pavement.
     论文明确了路面平整度的定义、测量方法及评价指标等概念,详细阐述连续式平整度测量仪测量原理以及均方差指标(δ)的计算公式,建立了八轮仪在理想的正弦波不平整路面模型上进行测量的模拟仿真模型,并应用MATLAB科学计算语言编制程序,计算推导出路面平整度均方差值与路面波长、幅值的定量关系。
短句来源
     when the croisure length is over 12cm, the rate of cohesion lowers slightly, while the mean square deviation tends upwards;
     但当丝鞘长度超过12cm以上时,递增速度有所减慢,且均方差值均有上升趋势;
短句来源
     In order to control pavement roughness while paving,this paper studied the definition of evaluation index and the measuring method of the pavement roughness by mean square deviation,developed the corresponding simulation calculation program with Matlab,analyzed the quantitative relations among mean square deviation of the roughness,the wavelength and amplitude of the ideal sine pavement,and the riding comfort which is corresponding to the inter-action between vehicle and road surface.
     为了在摊铺过程中控制和实现路面的平整度要求,从路面平整度的均方差评价指标及其测量方法出发,用Matlab开发了相应的模拟计算程序,分析了平整度均方差值与理想的正弦波形不平整路面的波长、幅值之间的定量关系,并根据车辆与路面相互作用时的行驶舒适性要求,确定了平整度指标、路面状态参数以及行驶舒适性三者之间的定量关系。
短句来源
  均方偏离
     Comparing the lunar speed data of the 6 calendars with the modern data, we obtained that the mean square deviation is about 0.4 ancient degree of China.
     利用这两类数据与现代月亮日行数据比较,其均方偏离也只有0.4古度左右。
短句来源
  “mean square deviation”译为未确定词的双语例句
     The results show that the Root Mean Square Deviation(RMSD) for each band is 0.030,0.071,0.072 and 0.078,for each class is 0.008、0.087、0.066 、0.079 and 0.056 respectively.
     结果表明各波段的rmsd值分别为0.030、0.071、0.072和0.078。 各个类别的rmsd值分别为0.008、0.087、0.066、0.079和0.056。
短句来源
     1. The mean value, mean square deviation and maximum of As separately are 18.09 mg/kg, 11.57 mg/kg and 79.30 mg/kg in the surficial soil in Guiyang. The content of arsenic in 95.9 per cent sample are smaller than 40 mg/kg.
     1、贵阳市表层土壤中重金属污染元素的均值、标准差、极值、主要含量区间分别是:砷18.09mg/kg、11.57mg/kg、79.30mg/kg、As_(95.9%)<40mg/kg;
短句来源
     The linear interaction energy(LIE) method was used to calculate the binding free energies of HIV-1 integrase and their inhibitors, the predicted values are in good agreement with the experimental data, with a root,mean,square deviation (RMSD) of 1.39 kJ· mol-1. The above results provide useful information for structure,based HIV-1 integrase inhibitor design.
     采用线性相互作用能方法(LIE)计算了该类抑制剂与整合酶之间的结合自由能,预测值与实验值相吻合,均方根偏差RMSD为1.39kJ·mol-1,以上结果可为基于结构的HIV-1整合酶抑制剂设计提供有用的信息.
短句来源
     Moreover,this paper provides typical values and mean square deviation of the G/G_(max)-γ and D-γ curves of the 8 types of soils for application of general engineering sites.
     为便于一般工程应用,给出了这8类新近沉积土的G/Gm ax-γ和D-γ关系曲线的推荐值及其标准差。
短句来源
     ② The result of the mean square deviation analysis of the mixed elements treated show that Cd、Zn and Cu content in the root and stem leaf of transgenic tobacco plants was more than in controls, the absorption of Cd being the most marked.
     ②混合元素处理的方差分析结果显示,转基因烟草根及茎叶中的Cd、Zn和Cu含量均比对照烟草高,以Cd的吸收最显著;
短句来源
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  mean square deviation
As a measure for the goodness of fit we use the mean square deviation; for this we take a wide sense stationary stochastic process as basis.
      
Parameters that satisfy the closure equations exhibit better root mean square deviation than those that do not satisfy the closure equations in most of the cases.
      
In this study, a root mean square deviation (RMSD) in the impedance signatures of the PZT patches is used as a damage indicator.
      
Asymptotic distribution of the mean square deviation of the Gasser-Müller estimate of the regression curve is investigated.
      
Limit Distribution of the Mean Square deviation of the Gasser-Müller Nonparametric Estimate of the Regression Function
      
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In the presesnt paper, two methods for the determination of rare earth impu-rities ia "purified" cerium are described. (1) The sample to be analyzed is converted into chlorides (concentration 10mg CeO_2/ml and acidity 1: 19 HCl). Transfer a drop of the prepared solution tothe flat top of graphite electrode previously treated with liquid paraffin. The elec-trodes are dried on a hot plate and then excited in an A. C. arc (220 V, 5 Amp).Spectrograph, ISP--51 (with UF-85 autocollimating camera tube). Slit, 0.01...

In the presesnt paper, two methods for the determination of rare earth impu-rities ia "purified" cerium are described. (1) The sample to be analyzed is converted into chlorides (concentration 10mg CeO_2/ml and acidity 1: 19 HCl). Transfer a drop of the prepared solution tothe flat top of graphite electrode previously treated with liquid paraffin. The elec-trodes are dried on a hot plate and then excited in an A. C. arc (220 V, 5 Amp).Spectrograph, ISP--51 (with UF-85 autocollimating camera tube). Slit, 0.01 mm.Photographic plate, NIKFI Ⅱ. Using the line pairs (La 4333.74)/(Ce 4330.90'), (Pr 4225.33)/(Ce 4229.63'), (Nd 4061.09)/(Ce 4057.30) and (Y 4374.94)/(Ce 4376.88')La, Pr, Nd & Y can be determined quantitatively in the concentration ranges0.055--0.62%, 0.089--1.29%, 0.052%--0.59% and 0.025--0.40% respectively. Theroot mean square deviations of single determination amount to ±4.7%, ±10.8%,±7.0% and ±7.0% respectively. (2) For cerium samples of high purity, ether extraction is used to removemost of the cerium so that the rare-earth impurities can be concentrated. Becauseof its relatively simple spectrum, the element Y has been used as carrier and in-ternal standard. The concentrate, also in the form of chloride solution (concentration1 mg rare-earth oxides/ml), is excited and photographed by the same method asmentioned in (1) The line pairs used are: (La 4238.38)/(Y 4235.73'), (La 3988.52)/(Y 3951.60'), (Pr 4222.98)/(Y 4235.73) and (Nd 4232.38)/(Y 4235.73')With a sample of 100 mg (1 mg Y_2O_3 added as internal standard), the analyticalsensitivities reach 0.01%, 0.025% and 0.028% for La, Pr and Nd respectively. Theerror of the method amounts to about ±10%.

本工作报告铈中杂质镧、镨,钕及钇的两种光谱测定方法。(1)将试样的氯化物溶液滴于经液体石腊处理过的碳电极上,干燥后以交流电弧激发进行摄谱。采用线对 La 4333.74/Ce 43330.90,Pr 4225.33/Ce4229.63,Nd 4061.09/Ce 4057.30及Y 4374.94/Ce 4376.88时测定灵敏度分别可达0.055%,0.089%,0.052%,0.025%。单次摄谱的均方误差分别为±4.7%,±10.8%,±7.0%及±7.0%。 (2)对于较纯的铈,则采用乙醚萃取先行分离,以浓缩其中所含的杂质,并采用谱线较少的元素钇作内标及载体,以补偿分离过程中损失。浓缩物仍以氯化物溶液状态用上述的激发方法进行摄谱。采用下列线对: La 4238.38/Y 4235.73,La 3988.52/Y 3951.60,Pr 4222.98/Y 4235.73,Nd 4232.38/Y 4235.73取样100毫克时,镧、镨及钕的测定灵敏度分别可达0,01%;0.025%及0.028%。一般误差约在±10%左右。

Experimental procedures and data on the crack openings in R.C. Members with circular (annular) cross sections are introduced in this paper. On the basis of these data, the main factors affecting the crack openings are found according to the basic principles on the emergence and development of cracks. Through statistic analysis, a practical formula for calculating the crack width in R.C. members with circular (annular) cross sections under eccentric compression is established, with a reliability of 95% and a...

Experimental procedures and data on the crack openings in R.C. Members with circular (annular) cross sections are introduced in this paper. On the basis of these data, the main factors affecting the crack openings are found according to the basic principles on the emergence and development of cracks. Through statistic analysis, a practical formula for calculating the crack width in R.C. members with circular (annular) cross sections under eccentric compression is established, with a reliability of 95% and a mean square deviation (also coefficient of variation) of 20% for the ratio between the experimental and theoreticl results. The proposed formula is clear in conception, simple and convenient for calculation purposes and the results are fairly close to those obtained from experiments.

本文介绍了钢筋混凝土圆(环)形截面偏心受压构件裂缝宽度的试验情况及试验资料。在试验资料的基础上,根据裂缝出现和开展的基本原理,找出影响裂缝宽度的主要因素。通过统计分析,提出了圆(环)形截面偏心受压构件裂缝宽度的突用计算公式,超出实测值的保证率为95%,实测最大缝宽与计算缝宽比值的均方差及变异系数皆约为20%。建议公式概念明确,计算简便,与试验结果比较接近。

The uniformity of seed distribution in the field is analysed in this paper. Experiment with light—sensitive sensor indicated that the seed release place and initial velocity on the seed plant are both stochastic values of norma distribution. A statistic mathematical model had been established for the mean square deviation of the seed distribution deviation. TQ—16 electronic computer was used to analyse the effect of each seed release parameter on the uni formity of seed distribution.

本文分析了由投种造成种子分布的不均匀性,从研究影响投种精度的随机参数入手,通过光电传感试验并用随机数据统计方法证明投种位置和投种初速度是服从正态分布的两个随机量,在此基础上建立了种子分布偏差之均方差的统计数学模型。用电子计算机分析了各投种参数对种子分布均匀性的单独影响。采用改进的Powell法编制了气吸式精密播种机投种参数优化设计的电算源程序,通过优化计算及台架试验求得了气吸式精密播种机投种参数的最佳组合。

 
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