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| theoretic cost; theoretical cost | |||
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理论成 本 : 20 phrases in 9 subjects |
| Business | 5 |
| Commerce | 1 |
| Economy | 2 |
| Environment | 2 |
| Finances | 3 |
| International trade | 1 |
| Securities | 1 |
| Space | 1 |
| Technology | 4 |
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