几种典型的不基于测距的定位算法： 质心法（Centroid） 几何约束法（Geomentic Consrain） DV-HOP （1）质心法[6] 质心法基于以下两个假设： 射频信号的传播遵循理想的圆球模型 所有节点的通信距离相等 网...
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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.
本文对内燃机汽门弹簧进行优化设计，采用了约束正定式几何规划对偶法。
The present paper introduces the optimized design of valve springs of the internal-combustion engine by the duality method of the geometric programming with the positive term equations of constraint.
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