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основное вещество stresses
anal.chem.	substance étalon
biol.	matrice f
chem.	substance de base; matière de base
el.	corps de base
med.	substance fondamentale; substance intercellulaire; substance interstitielle

основное вещество: 10 phrases in 4 subjects

Dentistry	4
General	3
Mining	2
Name of organization	1