|
| Submodel | Variable/parameter | Meaning | Unit |
|
| Economic environment submodel | AIGDP | Annual increment of GDP | Hundred million yuan/year |
| EGRC | Economic growth rate in the coming years | Dmnl |
| EGRP | Economic growth rate in the past years | Dmnl |
| GDP | Gross domestic product | Hundred million yuan |
| RGDP | Growth rate of GDP | Dmnl |
|
| Demand submodel | DSG | Demand-supply gap | Million ton-km |
| EREFC | Expected railway express freight capacity | Million ton-km |
| FTPGDP | Freight turnover per unit of GDP | Hundred million ton-km/hundred million yuan |
| FRRLP | Fulfillment rate of railway loading plan | Dmnl |
| FRRUP | Fulfillment rate of railway unloading plan | Dmnl |
| POHVGT | Proportion of ordinary high value-added goods railway turnover | Dmnl |
| PRCT | Proportion of railway container turnover | Dmnl |
| PRFT | Proportion of railway freight turnover | Dmnl |
| RCT | Railway container turnover | Million ton-km |
| REFT | Railway express freight turnover | Million ton-km |
| REPT | Railway express parcel turnover | Million ton-km |
| RFT | Railway freight turnover | Million ton-km |
| RFTOHVG | Railway freight turnover of ordinary high value-added goods | Million ton-km |
| PREPT | Proportion of railway express parcel turnover | Dmnl |
| TFT | Total freight turnover | Hundred million ton-km |
| UC1 | Unit conversion | Million ton-km/hundred million ton-km |
|
| Supply and investment submodel | AC | Accommodation coefficient | Dmnl |
| ARFR | Average railway freight rate | Hundred million yuan/hundred million ton-km |
| ARFRC | Average railway freight rate in coming years | Hundred million yuan/hundred million ton-km |
| ARFRCR | Average railway freight rate of container | Million yuan/million ton-km |
| ARFREP | Average railway freight rate of express parcel | Million yuan/million ton-km |
| ARFROHVG | Average railway freight rate of ordinary high value-added goods | Million yuan/million ton-km |
| CARFR | Calculated average railway freight rate | Hundred million yuan/hundred million ton-km |
| FAIRC | Fixed assets investment of railway in coming years | Hundred million yuan |
| FAIRP | Fixed assets investment of railway in past years | Hundred million yuan |
| FAIR | Fixed assets investment of railway | Hundred million yuan |
| FCIUI | Freight capacity increment per unit of investment | Hundred million ton-km/hundred million yuan |
| REFC | Railway express freight capacity | Million ton-km |
| REFI | Railway express freight income | Hundred million yuan |
| RFCI | Railway freight capacity increment | Million ton-km |
| ST1,ST2 | Smoothing time | Dmnl |
| TRFI | Total railway freight income | Hundred million yuan |
| UC1 | Unit conversion | Million ton-km/hundred million ton-km |
| UC2 | Unit conversion | Million yuan/hundred million yuan |
|
