The modern automated sorting systems widely adopt the strategy of zone picking and order accumulation, where the or-der arrangement optimization problem exists.

现代自动分拣系统广泛采用先分区拣选后订单合流的分拣策略，其中存在着订单排序优化问题。

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System of postal-zone codes (zip stands for "zone improvement plan") introduced in the U. S. in 1963 to improve mail delivery and exploit electronic reading and sorting capabilities.

1963年美国为了便于邮件的分拣和投递而采用的邮政编号制。

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