According to statistical analysis on Shanghai stock index, the distribution of the rate of return is non-positive skewed, and there exists an autoregressive heteroskedasticity in the rate of return.

通过对上证指数的统计分析表明，上证指数的收益率分布表现出非正态性，并存在自回归条件异方差的特征。

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It doesn't need the variational principle and can be applied to solve non-positive or positive definite partial differential equations with arbitrary variable coefficient.

该方法不用一般的变分原理，可适用任意变系数正定和非正定偏微分方程。利用这一方法得到一个新的八节点四边形平面应力单元。

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Nokia Siemens Networks non-IFRS operating margin includes a positive impact from non-recurring IPR income of approximately EUR 30 million.

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The government promises businesses support but no interference - a policy of "positive non-interventionism" vital to its role as a financial and trading center.

CNN: FIGHTING 'GODZILLAS'

Most notably, we completed U.S. and Japanese filings for crizotinib in ALK-positive non-small cell lung cancer and U.S. and EU filings for axitinib in advanced renal cell carcinoma.

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