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| conversion thermique de l'énergie solaire; conversion héliothermique; conversion photothermique de l'énergie solaire | |||
| conversion thermique | |||
| thermal conversion: 13 phrases in 4 subjects |
| Energy industry | 8 |
| Environment | 2 |
| Life sciences | 2 |
| Natural resourses and wildlife conservation | 1 |