单词：stress and strain
stress and strain的用法和样例：
例句
- The evolutional law of damage value as a function of stress was obtained.分别得出损伤变量随应力和应变而变化的演变规律。
- The notions of stress and strain developed quantitatively in Chapter I are universal notions.第一章里曾定量地阐述了应力和应变的概念是一些普通的概念。
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1. severe,严重的，剧烈的,严峻的。 eg:He has been under a severe strain. 他一直处在极度紧张状态之中。 We are suffering from a severe shortage of fuel. 我们苦于严重缺乏燃料。
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