按我理解，这说明误投至百慕大的情况必然经常发生，以至于必须刻个图章来处理。
To me, it says that this situation of "MISSENT to BERMUDA" must happen frequently. So much so that a stamp was manufactured to deal with it.
大的标准误减小了差异，但总体及2节段亚组的差异有统计学意义。
Large standard errors mitigate this difference, but the differences overall and in the 2 level group are significant.
大的标准误减小了差异，但总体及2节段亚组的差异有统计学意义。
Large standard errors mitigate this difference, but the differences overall and in the 2 level group are significant.
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