While there are cost benefits to this approach the biggest downside is the restriction of future upgrade options.
这种方法在降低成本的同时，最多的缺点就是对未来升级的限制。
2
In the restriction of enterprise resource, how to satisfy expected requirement under the minimum stock cost is the object of inventory control policy.
在企业现有资源约束下，如何用最低的库存成本满足预期的需求是库存控制决策的目标。
3
This paper puts forward some measures about how to improve the export competitiveness under the restriction of the internalized environment cost from the Angle of enterprises.