要想加入欧元区的国家,必须把本国的通货膨胀和财政赤字控制在一个比较低的水平。(“低水平”指的是根据其他国家经济表现而得出的均值。)
To join the euro, countries are required to have inflation and budget deficits at sustainably low levels (" low "is an average based on other countries' performance).
根据度量值计算出平均值和标准偏差。
From the measurements, compute the mean and standard deviation.
在确保至少有三个数据点可用后,将根据最新的三条记录的平均值设置当前匹配数。
After ensuring that at least three data points are available, the current match number is set based on an average of the most recent three recordings.
According to my calculations it was a twenty-five standard deviation event.
根据我的估算,那次波动偏离均值有25倍标准差之巨
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