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кратность запасов stresses
gen.	RP ratio (Reserves-To-Production Ratio v-gushchina)
O&G	reserve production ratio; reserve-production ratio; R/P (MichaelBurov)
O&G, sakh.	life index; reserve life index; reserve-to-production ratio
O&G. tech.	R.P.R. (reserves-to-production ratio; источник: словарь Извекова); RPR (reserves-to-production ratio; источник: словарь Извекова); reserves-to-production ratio; R.P.R. (reserves-to-production ratio; источник: словарь Извекова); RPR (reserves-to-production ratio; источник: словарь Извекова)
oil	production/reserves ratio (P/R ratio serz); Reserve/Production R/P ratio (Отношение Запасы/Добыча serz); reserves-to-production ratio (RPR)

кратность запасов: 15 phrases in 4 subjects

General	1
Geology	1
Oil and gas	11
Sakhalin	2