铁塔等 发表于 2025-3-26 23:12:52
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Behaviour of Actual Materials,r a part of geometry. Any substance may be regarded as being in a state of stress and strain, the relationship between them depending on the nature of the substance. The procedure for finding this relationship is the same as that at the outset of any branch of mathematical physics: certain simple exextinguish 发表于 2025-3-27 16:52:13
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