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English thesaurus
radius of investigation
abbr., oil	b; ri

radius of: 160 phrases in 35 subjects

Agriculture	1
Analytical chemistry	4
Astronomy	3
Athletics	1
Automated equipment	1
Automobiles	1
Biology	1
Chemistry	2
Construction	8
Earth sciences	4
Electronics	3
Foreign trade	1
Forestry	1
Gear train	2
General	9
Industry	1
Life sciences	8
Materials science	2
Mathematics	1
Mechanic engineering	1
Medical	30
Medical appliances	1
Metallurgy	9
Military	1
Mining	3
Nuclear physics	1
Packaging	2
Paleontology	10
Physical sciences	2
Physics	6
Refrigeration	1
Satellite communications	1
Technology	12
Textile industry	1
Transport	25