interval estimation of conditional means : 条件平均数的区间估计 difference between two means : 两个均值之差 estimates of difference of means : 均值差的估计 ..
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difference between two means
两均值之差
以上为机器翻译结果，长、整句建议使用 人工翻译 。
This means that the difference between short-term bonds (two-year Treasuries currently yield 1.02%) and long-term bonds (10-year Treasuries yield 3.77%) will narrow.
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