晶粒长大过程都遵循指数关系，其时间常数均小于0.5。
All the grain growth processes follow the exponential relationship, and the time constants are all less than 0.5.
在各种给定温度下，应力随时间均按负指数形式松弛，但应力松弛时间常数强烈地依赖于温度。
Stress relaxations are observed at various given temperatures. The variation of stress with time is exponential form and the relaxation time constant is strongly dependent on temperature.
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