хронологический идентификатор записей

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хронологический: 70 phrases in 23 subjects

Administrative law	1
Chemistry	1
Computers	1
Construction	2
Economy	2
Education	1
Energy industry	2
Entomology	1
Finances	1
General	18
Geology	6
Geophysics	3
Hydraulic engineering	2
Hydrology	8
Information technology	2
Law	7
Linguistics	1
Medical	1
Natural resourses and wildlife conservation	1
Psychology	2
Sociology	1
Technology	1
Water supply	5