利用包络函数、二级近似概念和对偶理论，提出了一种结构优化的有效解法。
An efficient solution method for structural optimization is proposed by coordinated use of mathematical transformation, two level approximation concepts and dual theory.
利用包络函数、二级近似概念和对偶理论，提出了一种结构优化的有效解法。
An efficient solution method for structural optimization is proposed by coordinated use of mathematical transformation, two level approximation concepts and dual theory.
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