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| επιστημονική και τεχνική πρόοδος | |||
| επιστημονική και τεχνολογική πρόοδος | |||
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progrès scientifique et technique : 25 phrases in 4 subjects |
| Environment | 4 |
| General | 6 |
| Natural sciences | 2 |
| Politics | 13 |
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