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| efficacité energétique | |||
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| rendement en énergie | |||
| rendement énergétique | |||
| efficacité énergétique | |||
| utiliser l’énergie de façon rationnelle | |||
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| efficacité énergétique | |||
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Energy efficiency : 73 phrases in 11 subjects |
| Analytical chemistry | 1 |
| Electronics | 1 |
| Energy industry | 33 |
| Environment | 23 |
| Finances | 2 |
| General | 2 |
| Nuclear physics | 1 |
| Radiation | 1 |
| Statistics | 1 |
| Transport | 5 |
| United Nations | 3 |