The method of minimum interclass variance needs to compute conic statistic in segmenting image, which costs a large computation but has less efficiency.

最小类内方差法分割图像时需要计算二次统计量，运算量大，效率不高。

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This article establishes a statistic model to calculate the dust-removal efficiency of setting chamber. It also introduces the method of computer simulating calculation.

该文建立了沉降室除尘效率的统计模型，并介绍了计算机模拟计算的方法。

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Most recently, he presented research at the National Baseball Hall of Fame that addresses the need to revise the current definition of a quality start and recommends creating a new statistic that incorporates pitch counts as well as measures the efficiency and effectiveness of a starting pitcher.

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In fact, there is a difference of more than 300% between the highest cost-per-win on both respective levels, a statistic that gives significant relevancy to the efficiency of the coaches who are successful at the lower resource level.

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