因此，信息不对称是供应链节点企业中常见的现象。

Therefore, information asymmetry is common phenomenon among the enterprises of supply chain.

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令牌环网-就像一个公交车环路，环路上有菊式链节点。

Ring - Like a bus network, rings have the nodes Daisy.

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介绍并运用蚁群算法来求解供应链节点间配送路径安排问题。

Ant colony algorithm was introduced and applied to solve the problem of distribution routing planning for supply chain depot.

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