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| Russian | English |
| долговременное измерение воздуха | long-term air measurement (environmental diseases) |
| долговременное измерение проникновений | immission measurement of long duration |
| долговременное измерение проникновений | long-time measurement of immissions |
| долговременное испытание мутагенеза | long-term mutagenesis test (pollution control; also combined with carcinogenicity test) |
| долговременные изменения | long-term changes |