After analyzing the causes, the author suggests it would be better to calculate directly characteristic roots using some matured software.

在分析其原因后，作者认为系数量化效应的计算以直接计算特征根更为方便。

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The roots of the characteristic equation determine the stability of the system and the general nature of the transient response to any input.

特征方程的根决定了系统的稳定性以及对各种输入的响应特性。

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By studying the properties of roots for the corresponding characteristic equation, the sufficient conditions under which the equation is stable are given.

通过分析相应特征方程根的性质，给出系统稳定的一个充分条件。

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Some things that seem characteristic of our media-saturated age turn out to have deep historical roots, while others that look permanent are actually quite recent.

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