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| technical diffusion | |||
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| technological diffusion | |||
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技术扩散 : 20 phrases in 9 subjects |
| Chemistry | 1 |
| Ecology | 1 |
| Electronics | 7 |
| International trade | 1 |
| Metallurgy | 1 |
| Oil processing plants | 1 |
| Technology | 4 |
| Telecommunications | 1 |
| United Nations | 3 |
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