Drugs have a totally different cost structure.
药物具有一个完全不同的成本结构。
To help view the product cost incurred by different level, a product family structure is represented by a hierarchical classification of product cost.
为了检视每个阶层所引发的成本,我们以产品族的方式来呈现整个产品阶层式的成本结构。
In view of the different geological conditions, to the best cost for the purpose of underground structure optimization design, select the reasonable foundation types.
针对不同的地质情况,以最优造价为目的,优化地下结构设计,选择合理的基础类型。
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