应变速率和应力呈非线性关系。

Strain rate and stress are nonlinearly related .

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但却明显地表现出非线性的应力-应变关系。

However, the relation between the stress and the strain is nonlinear.

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但却明显地表现出非线性的应力-应变关系。

However, the relation between the stress and the strain is nonlinear.

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