给出了灰色趋势关联分析的一般步骤，为社会经济系统的灰联联分析提供了新的方法和途径。
The grey trend relational analysis given by this pa-per offers a new method for analysing social and economic system.
由于跨国公司的全球运营、国际贸易和社会人际网络，各个区域的地方产业网络被价值链纳入全球经济系统。
The global operation of MNC, international trade and social network bring the local industrial network into the global economic system through value chain.
以贵阳市区为例，选取自然生态系统指标、社会经济系统指标和农田污染系统指标，建立了土地资源评价模型。
By taking Guiyang City as a case study, the indices for the natural ecosystem, society economy system and cropland pollution system were chosen and the land resource evaluation model was established.
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