该局部应变速率继续升高时，将发生机械断裂。
Further more, mechanical facture will take place if the local strain rate is high enough.
根据随机振动试验的有关理论，确定产品局部应变载荷的概率密度函数。
The probability density function of partial strain loading of product is defined in accordance with the relevant theory of random vibration test.
焊缝收缩诱发的局部应变时常达到屈服点应变的数倍，比荷载引起的应变大得多；
Weld shrinkage-induced local strain to yield point strain often several times, than the strain due to the load is much larger;
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