求翻译：供应链存在不确定性供应链库存的形成原因可分为两类, 一类是出于生产运作需要建立的一般库存, 另一类则是为防范供应链上的不确定因素建立的保险库存。企业在制定库存计划时, 无法顾及不确定因素的影响, 如市场变化而引起的需求波动、供应商的意外变故导致的缺货、企业内突发事件引起的生产中断等, 都会对库存产生影响。不确定因素是企业建立保险库存的主要原因。研究和追踪不确定性对库存的影响, 是供应链库存管理面临的一大挑战。是什么意思？

Supply chain there are causes of the uncertainty of supply chain inventory can be divided into two categories, one is for the need to establish a general inventory of production operations, the other insurance stocks to guard against supply chain uncertainties. Inventory planning, you can not take i

Supply chain there is uncertainty of supply chain inventory of causes can be divided into two categories, one of which is the need to be established in the production function of the general inventory, and the other class is to prevent the supply chain is not a factor in determining Insurance Invent

The supply chain existence uncertainty supply chain keeps in stock the formation reason may divide into two kinds, one kind stems from the general stock which the production operation needs to establish, another kind is for the guard supply chain on element of certainty establishment insurance stock

Causes of uncertainty about supply chain supply chain inventory can be divided into two categories, one is the need to establish a general inventory for production operations and the other was against uncertainties in the supply chain to establish insurance inventory. When enterprises develop invent

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