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反号
bridg.constr. opposite sign; contrary sign
math. sign reversing
tech. reverse sign
反〔变〕号
gen. reveral
反号: 163 phrases in 31 subjects
Agriculture1
Air defense7
Architecture1
Automobiles5
Aviation3
Bowling1
Bridge card game2
Bridge construction2
Business1
Communications2
Computer networks2
Construction1
Ecology1
Electronics28
General8
Geophysics4
Information technology8
Life sciences1
Management1
Mathematics1
Metallurgy4
Oil / petroleum6
Otorhinolaryngology1
Piezoelectric crystals1
Radio2
Space7
Swimming1
Technology38
Telecommunications19
United Nations3
Wind Energy1