... 方向几何学 geometry of direction 迭代法的几何 geometry of iteration 线性位移的几何 geometry of linear displacement ...
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对压力容器的螺柱组紧联接的优化设计，采用了约束正负定式几何规划迭代法。
The iteration of geometric programming with constraint positive negative term equations is applied to the optimal design for bolted tight connections used in pressure vessels.
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