合金的塑性应变能密度受应变幅的影响且具有循环相关性；
The values of plastic strain energy density are affected by the plastic strain amplitude and change with the cycle numbers.
合金的塑性应变能密度受应变幅的影响且具有循环相关性；
The values of plastic strain energy density are affected by the plastic strain amplitude and change with the cycle numbers.
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