TY - Journal of Resources and Ecology A1 - WANG Yiqiang, ZHAO Yuan, XU Xin T1 - Types, Concentration, Diffusion and Spatial Structure Evolution of Natural Gas Resource Flow in China Y1 - 2016-02-15 18:40:07.34 JF - Journal of Resources and Ecology JO - Journal of Resources and Ecology SP - 12 EP - 20 VL - 7 IS - 1 UR - {https://www.jorae.cn/EN/10.5814/j.issn.1674-764x.2016.01.002} N1 - 10.5814/j.issn.1674-764x.2016.01.002 ER -