In this pattern, the client is the individual raising an ethical concern and the concrete handler is the management chain from the lowest tier to the top of the organization.

在这一模式下，客户是提高道德关注的个体，具体的处理者是从组织的最低层到高层的管理链。

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Supply chain management requires the management information systems to be constructed on the base of the distributed multi-tier architecture.

在供应链竞争的条件下，企业信息系统向分布式多层结构跨越已经成为一种必然趋势。

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This dissertation describe a supply chain model composed by three tier nodes and sums up the inventory control strategies and gives evaluation index for the core issues in inventory control system.

然后，描述了一个由三层节点构成的供应链模型，针对库存控制系统的核心问题，总结了库存控制策略，给出了库存控制的评价指标。

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How can a somewhat dowdy mid-tier department store chain be put in the same class as Nordstrom and Apple?

FORBES: Apple, Ford and J.C.Penney: In Retail Old Ideas Are New Again

The combination reflects the increasingly unsettled state of the art market lately, as billionaire collectors chase after the world's priciest masterpieces while collectors further down the food chain sneer at second-tier material that suddenly looks overpriced.

WSJ: Christie's, Sotheby's Show Conflicting Sales