其次，从位错动力学角度建议了一个塑性松弛函数以便描述高温、高压下塑性流动的特性。
Secondly, a plastic relaxation function describing the behaviour of plastic flow under high temperature and high pressure is suggested from the viewpoint of dislocation dynamics.
应变率敏感系数是宏观塑性动力学和位错动力学的一个基本概念，本文试图对其进行了重新解释。
An attempt is made to elaborate the definition of the coefficient of strain-rate sensitivity, which is a fundamental concept for macroscopic dynamic plasticity and dislocation dynamics.
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