But in recent years many of those specialty companies have lost market value or stalled, and the industry is going back to a vertically integrated model.
但近年来，许多专业公司都失去了市场价值，或是增长陷于停滞，行业也正在重返垂直整合的模式。
According to analysis of value flow, we put forward double-layer value flow model to integrated supply chain operation, which provides analytic tool to structural design of integrated supply chain.
通过价值流分析，提出了基于集成供应链运作的两层次价值流模型，为集成供应链的物理结构设计提供了分析工具。
According to the unified and standardization criterion, the optimal objectives are graded and combined to form learning sample set for FNN model, and its output is the integrated evaluated value.
采用统一、规范化准则，对各优化目标进行等级划分并进行不同的组合，形成FNN的学习样本集，其输出即决策解的综合性能的评估值。
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