On the basis of a large number of field test data, the regression of the displacement coefficient and system efficiency for pumping unit wells were established.
本文在抽油机井大量现场测试数据的基础上，建立了抽油机井系统效率、排量系数这两个重要指标与诸影响因素之间的回归方程。
This paper use experimental data to set up linear regression equation with unitary and regression straight line, to use variance analysis and related coefficient to test validity of equation.
本文利用实验数据建立一元线性回归方程；回归直线，并用方差分析法和相关系数法检验方程的有效性。
The relation coefficient between regression equation and oxidation curve is over 0.9 and the rules of oxidation - temperature and oxidation - time are parabolas.
由计算得到的氧化回归方程与氧化曲线的相关系数可达到0.9以上，高温氧化烧损量与温度和时间均呈抛物线规律。
Results: Water iodine content calculated by linear regression equation, multiplied by coefficient of rectification, equals that calculated by index regression equation.
结果利用线性回归方程计算出的水碘含量，通过与校正系数相乘等于指数回归方程计算出的水碘含量。
This paper examines the relationship between inflation rate and economic growth rate in China by using the methods of regression and coefficient test.
通过回归和系数检验实证，分析了我国通货膨胀率与经济增长率之间的关系。
For subsonic aerodynamic analysis, Linearized Velocity Potential Theory is used to evaluate the aerodynamic coefficient, and we can get subsonic aerodynamic model of vehicle by Regression analysis.
在进行亚音速气动分析时，应用线化速度势理论计算运载器的气动力系数，而后进行回归分析，得到运载器亚音速飞行时的气动特性模型。
By means of regression analysis of the wind tunnel test data from 50 model ships, a new method for calculating the wind coefficient of ships has been obtained.
通过对50条船模风压系数的风洞试验数据进行回归分析，得出一种由船型数据来估算风压系数的新方法。
Moreover, the fitting degree of curvilinear regression equation is tested by correlation index, in stead of correlation coefficient which has been unsuitably used for testing in similar works.
此外，用相关指数来检验曲线回归方程的拟合程度，而不采用在类似的研究中用相关系数来检验曲线回归这一不合适的方法。
There were significant differences between all of aged groups in regression coefficient significance tests, except between 18-25 and 26-45 aged group in female.
回归系数显著性检验除女性18 ~25与26 ~45岁两组间无显著性差异外，其他各组间的差异均有高度显著性。
On the basis of a large number of field data, the regression equations of displacement coefficient, down-hole power loss and surface efficiency for pumping wells are established.
本文以大量的现场测试数据为基础，建立了抽油机井排量系数、井下功率损失及地面效率的回归方程；
The regression model based on 45 years data (1951-1995) with the two parameters has a multiple correlation coefficient of 0. 66.
用1951- 1995年的45年资料建立的二因子回归预报模型的复相关系数可达到0.66。
This article researches the coefficient estimating problem of the linear regression model and the math analysis foundation of the least squares estimation applying in the coefficient estimating.
本文研究了线性回归模型中的参数估计问题，运用最小二乘法进行参数估计的数学分析基础。
It is found that the more the variance explained by the linear model, the smaller the standard deviation of regression coefficient.
拟合方差与回归系数标准偏差存在明显的相关关系。线性模型能解释的方差越大，回归系数标准偏差越小。
In the meantime, the water sensitive coefficient of the spring wheat was computed by nonlinear multiple regression methods.
同时，用非线性回归技术计算了旱地地膜穴播春小麦的水分敏感系数。
A robust parameters estimation algorithm is proposed in this paper, which is based on uniform design for a linear regression model in the case of its coefficient matrix with random disturbance.
针对一个线性回归模型的系统矩阵存在的随机扰动情况，提出一种基于均匀设计的稳健参数估计算法。
With the methods of correlation and regression balance and path coefficient analysis, relationship between rice yield and its components were studied in different rice populations.
采用相关、回归、通径分析等方法研究了不同群体水稻产量及产量构成因素的相互关系。
The calculated exemplum by using this model indicates that experimental regression constant in the diffusion coefficient equation varies with the flow velocity of fluid and ranges from 0.014 to 0.020.
研究结果表明，颗粒扩散系数方程中的实验回归系数应考虑成流速的函数，取值范围为0.014～0。 020；
The result of variance analysis revealed that regression equation method could give a more reliable result than leaf area correction coefficient method for the leaf area measurement.
经方差分析比较证明，应用回归方程法计算的叶面积比用矫正系数法更为可靠。
The regression catch model incorporating fishing effort and selected environmental variables has a correlation coefficient of 0.97 and a level of confidence of 99%.
包含捕捞努力量和环境变量的渔获量模型的回归系数为0·97，其置信水平达到99%以上。
The correlation coefficient of this model was 0.66, which passed the validation of regression equation and regression coefficients.
模型的相关系数为0.66，通过了回归方程和回归系数的检验。
Correlative coefficient of regression is over 0.99 on the condition of experiment.
试验条件下回归方程相关系数均在0.99以上。
In this paper, the estimation of the direction of the regression coefficient of general regression model is considered.
本文考虑一般回归模型中回归系数的方向的估计问题。
This paper analyzes the factors affecting the controlling precision of sand compactibility system and sets up the dynamic model of regression coefficient between sand compactibility and water content.
分析了影响型砂紧实率控制精度的因素，建立了型砂紧实率-水分回归系数的动态模型。
Under given conditions, the some regression forecasting models of containing feign mistake regression coefficient, exactly correspond to the objective law of the target of study.
含佯谬回归系数的回归模型未必都不科学，在某些特定条件下，有些含佯谬系数的回归预测模型可科学合理地反映研究对象的客观变化规律。
The probabilistic properties of functional coefficient auto-regression models with regularly varying tailed are discussed.
讨论了函数系数自回归模型，在误差项服从正则变化尾的情形下，模型的概率性质。
To determine the rank of regression coefficient matrix in a multivariate linear regression model, a model selection procedure is proposed based on the M-estimation.
为了确定多重线性回归模型中回归系数矩阵的秩，本文提出了一个基于M估计的模型选择程序，且在较弱的条件下建立了回归系数矩阵的秩的估计的强相合性。
The correlation coefficient y-intercept slope of the regression line and residual sum of squares should be submitted.
应该提交其相关系数、Y轴截距、回归线斜率、残差平方和。
Calculate the regression line of test results versus analyte concentrations. The correlation coefficient should be more than 0.99.
以测定结果的响应信号作为被测物浓度的函数作图，相关系数应大于0.99。
Calculate the regression line of test results versus analyte concentrations. The correlation coefficient should be more than 0.99.
以测定结果的响应信号作为被测物浓度的函数作图，相关系数应大于0.99。
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