世界天然气流动节点格局演化及其资源效应
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王宜强, 赵媛
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Evolution of the global pattern of natural gas flow nodes and its resource effect
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WANG Yiqiang, ZHAO Yuan
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表1 2006—2018年输流节点标准差椭圆相关指标
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Table 1 Standard deviation ellipse (SDE) parameters of export nodes, 2006-2018
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年份 | 管道天然气输流节点标准差椭圆 | | 液化天然气输流节点标准差椭圆 | 沿X轴标准差/km | 沿Y轴标准差/km | 扁率/km | 转角/° | 沿X轴标准差/km | 沿Y轴标准差/km | 扁率/km | 转角/° | 2006 | 10414.71 | 2761.99 | 7652.73 | 88.28 | | 8457.77 | 1661.08 | 6796.69 | 100.48 | 2007 | 10555.81 | 2484.11 | 7652.73 | 89.29 | 8337.24 | 1720.05 | 6617.19 | 100.20 | 2008 | 10353.60 | 2641.25 | 7712.35 | 89.57 | 8205.97 | 1859.39 | 6346.58 | 100.48 | 2009 | 10114.44 | 2612.27 | 7502.17 | 89.66 | 8163.01 | 2343.06 | 5819.95 | 100.15 | 2010 | 2713.20 | 10078.61 | 7365.41 | 90.17 | 7918.98 | 2577.70 | 5341.28 | 98.86 | 2011 | 10406.45 | 2564.49 | 7365.41 | 89.14 | 7695.00 | 2558.90 | 5136.10 | 97.79 | 2012 | 10375.99 | 2565.21 | 7810.78 | 88.94 | 7467.91 | 2548.18 | 4919.73 | 97.91 | 2013 | 10425.11 | 2541.04 | 7810.78 | 88.38 | 7600.16 | 2632.06 | 4968.10 | 97.64 | 2014 | 10305.73 | 2623.00 | 7682.73 | 88.87 | 7786.83 | 2683.17 | 5103.66 | 98.18 | 2015 | 10415.64 | 2619.96 | 7795.68 | 88.83 | 7926.00 | 2707.20 | 5218.80 | 100.27 | 2016 | 10502.13 | 2541.78 | 7960.35 | 88.77 | 8451.08 | 2764.10 | 5686.98 | 102.30 | 2017 | 10671.18 | 2471.41 | 8199.77 | 88.43 | 9548.89 | 2742.43 | 6806.46 | 102.79 | 2018 | 10654.50 | 2436.27 | 8218.23 | 88.41 | 10286.12 | 2966.04 | 7320.08 | 102.93 |
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