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。
Groundwater level can be recovered by artificial regulation of water resource in the empty underground space of the depression cone.
利用降落漏斗区腾空的地下储水空间进行水资源的人工调蓄可使地下水位得到恢复。
Until now, the 21st century has over ten years, as a natural resource, the urban underground space has obtained more extensive attention from human.
到现在，21世纪已经过去了十年，正如所说的那样，作为自然资源而存在的城市地下空间，已经得到了人类日益广泛的重视。
Until now, the 21st century has over ten years, as a natural resource, the urban underground space has obtained more extensive attention from human.
到现在，21世纪已经过去了十年，正如所说的那样，作为自然资源而存在的城市地下空间，已经得到了人类日益广泛的重视。
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