This means that each time analysis all request.
这意味着，每次分析都要求。
Analysis is conducted informally and irregularly, usually upon customer request.
定期 方式执行，通常是基于客户要求。
Release purchase request to buyer based on supply and demand analysis;
根据客人的需求分析，下达采购申请单给采购；
Release purchase request to buyer based on supply and demand analysis;
根据客人的需求分析，下达采购申请单给采购；
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