本文论证了电网络中对偶性的物理基础是能量分布相似性。
The physical basis of duality is attributed to the analogy of energy distribution in the electrical network.
本文主要讨论了生产网络流的最小费用问题，在研究该问题的基本结构及其对偶性质的基础上给出了该问题的网络单纯形法。
The infrastructure and dual properties of the so-called minimum cost problem are specifically studied to outline a network simplex method for solving this problem.
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