Rapid development of a branch of the modern theory of controll-technique of system identification gives a wider way for the prediction for the behavior of various dynamic systems.

现代控制理论的重要分支——系统辨识技术的飞速发展，为各类动态系统的状态预报开辟了一条更加广阔的道路。

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A method of stock price prediction is presented by hypothesis of stock market being non-linear dynamic system and analyzing method of chaos theory for chaos time series in this paper.

根据股票市场是非线性动力系统的假设，利用混沌理论对混沌时间序列的分析方法，提出了股票价格预测方法。

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The law of the variable mass flow in the horizontal wellbore is useful for the horizontal well output prediction, and optimal design and dynamic analysis on oil well production system.

水平井井筒变质量流的流动规律是进行水平井产能预测、油井生产系统优化设计及动态分析的基础。

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