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periodo m
patents.	időköz; időtartam
perìodo m
math.	idõszak
período m
stat.	idõszak

periodo: 139 phrases in 32 subjects

Agriculture	1
Chemistry	1
Coal	1
Commerce	1
Communications	1
Construction	1
Economy	10
Education	1
Environment	4
Finances	8
General	4
Health care	1
Hobbies and pastimes	1
Immigration and citizenship	2
Information technology	3
Insurance	5
Labor law	3
Law	5
Life sciences	1
Mathematics	13
Medical	3
Metallurgy	1
Microsoft	37
Natural sciences	2
Nuclear and fusion power	1
Patents	5
Politics	3
Procedural law	1
Security systems	1
Social science	2
Statistics	14
United Nations	2