Research Article
Measurement of the Industrial Collaboration of the Diversified Coal Industry: China Coal Energy Company as an Example
Table 5
The order degree of each subsystem.
| Subsystem | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 |
| Coal-electric subsystem | 0.3702 | 0.4048 | 0.3014 | 0.5444 | 0.4854 | 0.4008 | 0.2510 | 0.411 | Coal-chemical subsystem | 0.3905 | 0.4561 | 0.3614 | 0.3177 | 0.3717 | 0.2653 | 0.3296 | 0.3188 | Coal-equipment subsystem | 0.5634 | 0.5920 | 0.5669 | 0.4321 | 0.4931 | 0.4273 | 0.3720 | 0.3459 |
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