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| English thesaurus | |||
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| ECIP | |||
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Energy Conservation : 18 phrases in 11 subjects |
| Chemistry | 1 |
| Energy industry | 2 |
| Environment | 3 |
| General | 1 |
| Meteorology | 1 |
| Name of organization | 3 |
| Natural sciences | 1 |
| Physical sciences | 1 |
| Politics | 1 |
| Real estate | 1 |
| United Nations | 3 |