最后，对长记忆时间序列arfima模型进行了贝叶斯分析。

Finally, we give Bayesian analysis of the long memory time series ARFIMA model.

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再利用计算机模拟股票价格收益率的分布特征，模型很好的刻画了现实证券市场中股票收益率分布的宽尾现象、长记忆性，以及累积分布中尾部收益的指数递减现象。

We investigate the fluctuation of price process in a stock market with Ising model and the mean field theory, and construct the corresponding random logarithmic price returns process.

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已有广泛的研究表明突触可塑性如长时程增强和长时程抑制可以作为学习和记忆机制的细胞模型。

Extensive studies indicated that synaptic plasticity, such as long-term potentiation or long-term depression, is the cellular basis for learning and memory.

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