与正常的老鼠相比，携带一个变异基因的老鼠睡眠时间少1.2小时，而携带有2个变异基因的老鼠睡眠时间少2.5小时。
Compared with the normal mice, those with one mutant gene slept about 1.2 hours less, and mice with two mutant genes slept 2.5 hours less.
随著平均前置时间与前置时间变异性的增加。
The variability in demand increases as the average and the variance of lead time increase.
随著平均前置时间与前置时间变异性的增加。
The variability in demand increases as the average and the variance of lead time increase.
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