它是一个复合向量，具有明显的空间分布的非均一性和随时间变化的非定常性。
It is a complex vector which have obvious heterogeneity of the distribution in space and a variability with time.
采用模糊综合评估方法，构造了地下空间资源质量评估指标的隶属函数，并确定了隶属度，建立了权重向量与模糊关系矩阵复合运算的模糊综合评估模型。
Based on fuzzy synthesis evaluation, the membership function of each index for underground space resource quality evaluation was constructed, and the degree of membership was determined.
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