这表明，筛选拟合的树高——年龄导向曲线回归方程很好地拟合了样本资料，很好地反映了树高的生长过程。
As showed the curve regression equations of tree height-age relations matched the sample data nicely and reflected the trees' grown process nicely.
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。
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.
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。
The relation coefficient between regression equation and oxidation curve is over 0.9 and the rules of oxidation - temperature and oxidation - time are parabolas.
建立了标准曲线和回归方程。
The standard curve and regression equation were established.
建立了该检测系统的准静态输入输出线性回归方程；测试了系统的输入输出特性曲线、线性度和迟滞性；
The quasi-static input-output linear regression equation of the measuring system is established, and the testing results of input-output curve linearity and sluggishness are given.
在此基础上，构造了国债收益率曲线并通过建模获得了收益率曲线的回归方程。
On this basis, the authors construct yield to maturity curve and obtain regression equation of the curve through establishing a model.
通过二元回归分析得出了回归方程和回归曲线。
With two-regression analysis, the regression equation and regression curve were obtained.
在比色分析中，由指数曲线函数方程转换的直线化回归方程的图形，是表达指数曲线相关的最佳直线。
The figure of regression equation of linearise turned from the functional equation of exponential curve is the best line to express the correlation of exponential curve in colorimetric analysis.
目的选择抵抗素的定量检测体系的最佳回归曲线和建立回归方程。
Objective To choose the best regression curve equation in the quantitative analysis system of resistin and to establish the regression curve equation.
本文利用二次回归方程得到中国服务业职工的工资剖面曲线。
The wage-tenure profile of the employees in Chinese service industry is obtained by using quadratic regression.
用间接观测平差法分析线性回归方程，用曲线中点比较法选择最优非线性回归方程。
Linear regression equation is analyzed by using indirect error-smoothing, and nonlinear regression equation is optimally selected by using the method of comparison of mid-point of curve.
结果表明：一天中叶水势值与土壤水分状况密切相关，叶水势与土壤含水量呈正相关，回归方程为变形双曲线；
The results showed that there was a close relation between leaf water potential and soil moisture during a day.
结果表明：一天中叶水势值与土壤水分状况密切相关，叶水势与土壤含水量呈正相关，回归方程为变形双曲线；
The results showed that there was a close relation between leaf water potential and soil moisture during a day.
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