UML does not have this specification and implementation coupling.
UML并没有该规格以及执行耦合。
He USES the recommended export option, which allows a cleaner separation between specification and implementation.
他使用所推荐的导出选项，该选项能明确分离规范和实现。
Last, at the perspectives of deduct cost, improve procurement and supply effects, the importance of optimize specification and implementation route to improve product cost structure.
随后，从降低成本、改善采购与供应效果的角度，探讨规格优化的重要性和实施途径，从根本上优化产品的成本结构。
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