... 价值下降 shrinkage 价值相对表现 relative expression of value 价值形态 form of value ...
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elementary relative expression of value 简单的相对价值表现
The mathematics formula and FE expression of ideal forming obtained when the global plastic work has its relative extreme value is provided.
理想形变假设认为变形是在整体塑性功取得相对极值的条件下得到的,给出了理想形变的数学公式和有限元表达。
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