However, drawbacks of slow convergent speed and sometimes just getting local optimum solution are found by tests when common GA technology is applied.

但在试验中发现普通遗传算法存在收敛速度较慢且容易陷入局部最优解等问题。

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Otherwise, the hybrid algorithm can avoid trapping in local optimum and does not need initial feasible solution.

另外，该算法可有效避免陷入局部最优，也不要求提供初始可行解。

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Based on the objective function, local optimum and iterative method were adopted to get a computer solution on the optimum economical thickness.

对保温设计的目标函数，采用局部求优，逐步迭代的方法，实现了多层保温经济厚度计算机求解。

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