实际的控制系统都是非线性系统，完全线性的系统是不存在的。
All practical control systems are nonlinear, so the absolute linear systems don't exist.
本文讨论了非线性系统的完全线性化问题。
The problem of the complete linearization for nonlinear systems is discussed.
本文采用非线性系统的微分几何方法实现交流异步电动机的解耦控制和完全线性化，为交流传动系统提出了一种新的控制方法。
Using the method of Differential Geometry, the decoupling control and complete linearization of the induction motor are realized, so a new control method for AC drive system is obtained.
同时给出了输入输出维数相等时的解耦并完全线性化的充要条件。
When the output vector dimensions equal to the input vector dimensions, the necessary and sufficient conditions for decoupling and complete linearization to nonlinear system are given.
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。
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。
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.
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