该层次可向下一实现层转变，譬如从概念模型组件模型，到细化组件模型，再到实现组件模型。
Transitions to next realization levels include, for example, conceptual to specified to implementation component models.
侧重于概念和结构设计阶段，提出了概念装配模型的层次化数据结构，并对其中的关键组成元素进行了分析。
Concentrating on the conceptual and structural stage, a hierarchical data structure of the logical assembly model was presented, and the key components of it were analyzed.
构建了工程装备战场防护的层次概念模型，提出了一种装备战场防护费用和防护效果的分析计算方法。
A hierarchy conceptual model of the armor protection of engineer equipment was constructed and the method of analyzing and calculating its cost and effectiveness was proposed.
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