如果将纸的面积扩大到原来的两倍，纸堆的收缩总量便缩小到原来的一半。

If I doubled the area of the sheet, the stack would only compress by half as much.

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术后体重的降低是由于他们的脂肪细胞收缩，但是细胞的总量维持不变。

Weight loss after the surgery was due to shrinkage of their fat cells, but the total number of the cells stayed constant.

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目前，高模量低收缩工业丝产量已占聚酯工业丝总量的30%。

The amount of HMLS yarn is accounted for 30% of the total output of polyester industrial yarn worldwide.

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