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efficacité : 166 phrases in 31 subjects |
| Analytical chemistry | 7 |
| Automatic control | 1 |
| Chemistry | 2 |
| Commerce | 2 |
| Construction | 28 |
| Economy | 21 |
| Education | 2 |
| Electrochemistry | 2 |
| Electronics | 11 |
| Energy industry | 11 |
| Environment | 12 |
| Finances | 3 |
| General | 4 |
| Health care | 3 |
| Law | 1 |
| Lighting other than cinema | 5 |
| Mathematics | 20 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Microsoft | 3 |
| Nuclear physics | 2 |
| Obsolete / dated | 3 |
| Politics | 2 |
| Reliability | 2 |
| Research and development | 1 |
| Sound recording | 5 |
| Statistics | 4 |
| Telecommunications | 1 |
| Telegraphy | 1 |
| Transport | 3 |
| Vacuum tubes | 2 |
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