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正反 zhèngfǎnstresses
gen. положительный и отрицательный; прямой и обратный; реверсивный
正反: 233 phrases in 27 subjects
Astronomy2
Automated equipment3
Aviation3
Business1
Economy1
Education2
Electronics12
General126
Geology1
Grammar1
Household appliances1
Informal1
Law1
Mathematics14
Medical11
Metallurgy1
Military6
Nonstandard1
Oil processing plants2
Philosophy2
Proverb1
Radio1
Seismology1
Technology34
Telecommunications1
Textile industry2
United Nations1