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分别采用传统梯度法和模拟进化算法对７１７５高强铝合金的时效工艺进行了优化研究。结果表明，传统方法易于求得时效工艺的局部最优解，而进化算法则可求得时效工艺的全局最优解。
The aging process of 7175 high strength aluminum alloy was optimized by traditional gradient method and simulated evolutionary algorithm respectively. The results show that the traditional method can easily obtain the local optimum solution of the aging process, while the evolutionary algorithm can obtain the global optimum solution of the aging process.