求翻译：采购不足又会产生缺货损失。供应链管理要求对市场需求进行有效的预测，通过历史销售数据预测未来销量，并预测每单位缺货成本和压库成本，确保管理者就商品供应与市场需求的平衡问题作出正确的决策。是什么意思？

Purchasing less than will be produced out of stock losses. Supply chain management requires the effective market demand forecasts and historical sales data to forecast future sales, and forecast shortage cost and Yaku cost of per unit, to ensure that managers make the right decisions on the balance

There will also be purchasing low Out-of-stock losses. Supply chain management requirements of the market demand for effective forecasting through the historical sales data, predict the future, and to predict sales per unit cost of goods and the cost to make sure that library managers in the commodi

Purchases insufficient can have the stockout loss.The supply chain management request carries on the effective forecast to the market demand, through the historical sale data forecast future the sales volume, and forecast per unit stockout cost and presses the storehouse cost, guarantees the superin

Purchasing stock losses, lack of will. Supply chain management demands on market demand for effective predicting, by historical sales data to predict future sales, and predict stock per unit cost and cost of Yaku, ensuring that managers of commodity supply and demand balance to make the right decisi

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