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| tecnología ambiental | |||
| tecnología ecológicamente racional; tecnología relacionada con el medio ambiente | |||
| English thesaurus | |||
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| ET | |||
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Environmental Technology : 29 phrases in 5 subjects |
| Education | 1 |
| Environment | 14 |
| Name of organization | 1 |
| Natural sciences | 4 |
| United Nations | 9 |