作者用国产单纤维电子强力仪对兔毛、澳毛和国毛进行一次拉伸试验。
The strength of rabbit hair and Australian wool was measured in one-process by means of the domestic-made single fibre strength tester.
研究人员发现，如果向着第一次拉伸的垂直方向拉扯，它仍然能够向着任何方向毫无损害地任意伸展。
The researchers found that if they stretched out the substance in a second direction perpendicular to the first, it could then be stretched in any direction without harm.
这样就能一次性地组装多层材料，然后对它们进行加热和拉伸，就像海边的岩石一样。
This allows the various layers to be assembled at a more manageable scale and then heated and stretched out, like seaside rock.
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