去年12月GM曾说它计划把它的工厂从2008已有47家到2012年砍至38家，但现在它又准备多削减5家，这使得它只保留33家工厂。

In December GM had said it would cut the number of plants from 47 in 2008 to 38 by 2012, but has now added another five factories facing the axe, which would leave it with 33 facilities.

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本文针对分布式多供应商、多工厂、多分销商和多客户的情况，建立了供应链生产计划模型。

This paper builds up the supply chain planning model for the occasions of distributed multi-vendors, multi-plants, multi-distributors and multi-customers.

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