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index of activity
stresses
gen.
индекс занятости
chem.
индекс активности
(отношение содержания кремнезёма и глинозёма в цементе)
oil
индекс активности
index of activity:
11 phrases
in 6 subjects
Astronomy
3
Business
1
Economy
3
Medical
2
Technology
1
Water resources
1
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