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| 投人产出法 | |||
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| 投入产出法 | |||
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input/ output method : 9 phrases in 7 subjects |
| Business | 1 |
| Commerce | 1 |
| Consulting | 1 |
| Ecology | 1 |
| Marketing | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 2 |
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