The results show that the residual resistance ration relates not only to the aging temperature and the impurity concentration of the metal, but also to the aging time.
结果表明：金属铍的剩余电阻比不仅与时效温度和金属内杂质的浓度有关，而且受时效时间的影响；
The results show that the residual resistance ration relates not only to the aging temperature and the impurity concentration of the metal, but also to the aging time.
结果表明：金属铍的剩余电阻比不仅与时效温度和金属内杂质的浓度有关，而且受时效时间的影响；
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