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technical diffusion | |||
true diffusion international | |||
technological diffusion |
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 |