When the inertia constant of the perturbed system is approaching zero, so is the frequency deviance.

当摄动系统的发电机惯性时间常数趋向于零时，各频率分量也趋向于零。

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Taking dual chaotic inter-perturbed system as sequence key generator, an improved quantization method for converting chaotic sequence to binary sequence was put forward.

以双混沌互扰系统作为序列密钥发生器，提出一种改进的二值序列量化方法。

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An increment feedback control method based on nonlinear iterative sliding mode variable structure control is presented for a class of uncertain nonlinear perturbed system.

针对一类不确定非线性受扰动系统，提出一种基于非线性迭代滑模变结构的增量反馈控制算法。

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Moreover, this equilibrium is also an attractive equilibrium toward which the system automatically and relentlessly moves even if it temporarily is perturbed from its current path unless permanently disrupted by government actionsa.

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