But parameters of age, period and cohort are not uniquely estimable because of the exact linear dependency among the three variables, so many approaches have been proposed.
然而模型的三因素间存在着完全线性依赖性,使参数不能得出唯一的估计值,许多学者提出了各种方法加以解决。
Coding DTD can test the logical implication problem of XML function dependency in linear time.
编码后的DTD能在线性时间内对XML函数依赖的逻辑蕴涵问题进行判定。
Among dependency analysis methods, the traditional linear correlation coefficient can only describe the linear dependencies between variables.
相依性分析方法中,传统的线性相关系数只能描述变量间的线性相依关系。
A 3-d FEM model was built up, which included a non-linear coupled thermal-mechanical analysis accounting for the temperature dependency of the thermal and mechanical properties of the material.
建立了成形过程的三维非线性热力耦合有限元模型,模型中考虑了材料热物性参数和力学性能参数与温度的相关性。
A 3-d FEM model was built up, which included a non-linear coupled thermal-mechanical analysis accounting for the temperature dependency of the thermal and mechanical properties of the material.
建立了成形过程的三维非线性热力耦合有限元模型,模型中考虑了材料热物性参数和力学性能参数与温度的相关性。
应用推荐