This paper is based on statistical theory, describes the statistical average and time average of the turbulence.

本文以紊流统计理论为基础，介绍了紊流的统计平均和时间平均。

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The statistical average values of some relevant operators satisfy a set of differential equations of the first order.

有关算符的统计平均值随时间的演化满足一个封闭的一阶线性微分方程组。

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Then the statistical average distance between neighboring parallel sections was acquired using the analysis of sample trace points.

进而通过轨迹样本点分析的方式，得到统计平均的相邻平行截面间距。

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The percentage of 14 year olds achieving the expected level was almost in line with statistical neighbours and was better than the national average for English, mathematics and science.

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The State Statistical Bureau has forecast 8.7% average yearly GDP growth for the rest of the decade, with 8%-to-9% inflation.

CNN: BUSINESS FORECAST '96

In other words that if the occurrence of something is abnormally high or abnormally low simply because of random variation, the statistical chances are that it will be much closer to the average the next time you measure it.

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