However, the correlation effect over time in SUR model is not taken into account. In a standard linear model, we often assume the error terms are identically independent distributed.
研究表明，与没有考虑不同时间上的相关性的信度回归模型相比较，考虑了相关性的模型得到的估计值的误差较小。
It is better to use the standard linear model (SLM) simulating the earth medium crust. In a short period of time it shows elasticity, and it shows rheological properties in a long time.
标准线性体模型用来表示地球介质的粘弹性较好，它在短时间内，表现出明显的弹性性质，而在较长时间内，表现出明显的流变特性。
Thus, a nonlinear viscoelastic constitutive relation for cement mortar based on standard linear solid model considering the evolution of the damage internal variable is established accordingly.
据此，在标准线性固体模型的基础上，考虑损伤内变量的演化，建立了应变率相关的水泥砂浆的非线性黏弹性损伤模型。
Methods: the repeated measure data were analyzed with quantitative data by mixed linear Model and conclusions were drawn according to the parameter and standard error.
方法：利用混合线性模型分析结果指标为定量资料的重复测量资料，通过参数和标准误的估计得出统计学结论。
A novel neural network model, named delayed standard neural network model (DSNNM), is proposed, which is the interconnection of a linear dynamic system and a bounded static delayed nonlinear operator.
提出一种新的神经网络模型—时滞标准神经网络模型(DSNNM)，它由线性动力学系统和有界静态时滞非线性算子连接而成。
Viscoelasticity was analyzed by the special three element standard linear solid model.
粘弹性分析采用特殊的三元素标准线性固体模型拟合实验数据。
A standard linear solid model (kelvin model) was used to fit the experimental data.
同时以标准线性固体模型对实验数据进行了拟合。
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。
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。
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