By the tenacity,or force of cohesion,of the fibres: which is one of the forces in nature,and which we can measure exactly against other mechanical forces,and ascertain how much of any of them it suffices to neutralize or counterbalance.
英
美
释义
靠的乃是纤维的粘性,或内聚力,这是自然界中的一种力,我们能参照其他机械力精确地测定它,并能弄清立足够抵消或抗衡多大的机械力。
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