Research Article
The Influence of 3D Printing on Global Container Multimodal Transport System
Table 1
Variable symbol of transnational supply chain.
| Symbol | Meaning of variables |
| OfME | An oil field in the Middle East | ReBG | A refinery around the Beibu Gulf | PoPR | A port in the Pearl River Delta | DcPR | A distribution centre in the Pearl River Delta | PoPG | A port in the Persian Gulf | PfPR | A plastic processing factory in the Pearl River Delta | PoWU | A port in the West US | DcUS | A distribution centre in the US | PoBG | A port in the Beibu Gulf | MfPR | A sneaker manufacturing factory in the Pearl River Delta | DcME | A distribution centre in the Middle East |
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