As an important indicator of industrial structure, industry concentration is the object of this study.
产业集中度作为衡量产业结构的重要指标，是本文的研究对象。
The structure pattern is an effective way to choose inspection indicator.
结构模型是选取稽查指标的有效方法。
Through introducing the element damage indicator, then initial damage of the structure can be detected.
通过引入结构单元损伤因子，对结构的初始损伤进行识别。
Through introducing the element damage indicator, then initial damage of the structure can be detected.
通过引入结构单元损伤因子，对结构的初始损伤进行识别。
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