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to phrases
billion years
stresses
gen.
миллиард лет
oil
миллиардов лет
English thesaurus
billion years
abbr.
by
;
byr
abbr., oil
b.y.
billion years:
21 phrases
in 9 subjects
Banking
1
Energy industry
1
Finances
1
Geochronology
1
Makarov
2
Oil / petroleum
2
Oil and gas
11
Technology
1
Water supply
1
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