This method is fast while avoiding the shortcoming that the G-S result is easy to trap in local optimum.

该方法不仅具有追迹法计算简单、运算量小的优点，而且克服了G - S算法容易陷入局部最优的缺点。

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The Abstract concisely describes the background, objective(s), data type(s), data analysis method(s), result(s) and significance of the research.

概述研究背景、目标、语料类型、语料分析方法、结论和意义。

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The Abstract concisely describes the background, objective(s), data type(s), data analysis method(s), result(s) and significance of the research.

概述研究背景、目标、语料类型、语料分析方法、结论和意义。

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