为此，文章提出基于配置的产品模型和零部件族的概念、利用知识库和规则库实现产品配置的方法。
This paper puts forward the model based on product configuration, the conception of part and component and the way of product configuration by knowledge and rule in database.
为保证复杂机械产品具有良好的设计结构和高效的配置求解，提出了一种基于树状约束的零部件族结构模型。
To ensure the quality of structure design and efficient configuration of mechanical products, a part family architecture model based on hierarchy tree constraints was proposed.
像有车族那样，面临现金紧张的管理者也力求使现有设备尽可能的运转而不是购买昂贵的新部件。
Like car owners, managers faced with a cash crunch are also keen to get as much extra mileage as possible out of their existing equipment rather than buying costly new gear.
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