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| C-13专家系统用于辅助判断新分裂的化合物的结构 | |||
| English thesaurus | |||
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| intermediate certificate for 1, 4,13 weeks | |||
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C-13 : 15 phrases in 8 subjects |
| Chemistry | 4 |
| Earth sciences | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Leather | 1 |
| Metallurgy | 1 |
| Perfume | 3 |
| Polymers | 1 |
| Textile industry | 3 |