The development and utilization of urban underground space in a broad sense mean all underground facilities for utilization of urban underground space and execution of city's function.
城市地下空间的开发利用，广义上讲是利用城市地表以下的空间，发挥城市功能的一切地下设施。
By moving certain facilities and function underground surface land in urban areas can be used more effectively thus freeing space for agricultural and recreational purpose.
通过将特殊器材设备置于地下，城市地表可被更有效地利用，这样就可释放出空间供农业和娱乐使用。
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.
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。
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