English ⇄ Chinese

radioactivity [ˌreɪdiəʊæk'tɪvəti, -oʊæk'tɪvət̬i] n
gen.	放射现象〔能力〕
agric.	放射性 (radioactivitas)
el.	放射现象【核】
eng.geol.	放射现象
oil	放射能力
repr.biol.	放射水平
sport., med.	放射性; 放射现象; 辐射性
tech.	放射学; 放射性渠道; 放射性强度; 放射性 (活度)
radioactivity The property possessed by some atomic nuclei of disintegrating spontaneously, with loss of energy through emission of a charged particle and/or gamma radiation [ˌreɪdiəʊæk'tɪvəti, -oʊæk'tɪvət̬i] n
environ.	放射性 (产生于自然分解的原子核，伴随着带电粒子和/或伽马射线的释放而产生的能量衰减。)
English thesaurus
radioactivity [ˌreɪdiəʊæk'tɪvəti, -oʊæk'tɪvət̬i] abbr.
abbr.	ra
mil.	The property of a material emitting ionizing radiation
mil., logist.	Emission of radiations produced by the nucleus of the atom disintegration. (FRA)

radioactivity: 227 phrases in 28 subjects

Agriculture	5
Aviation	1
Business	2
Chemistry	4
Desert science	1
Drilling	1
Earth sciences	5
Ecology	7
Electronics	36
Engineering geology	4
Environment	1
Explosives and Explosive Ordnance Disposal	2
General	4
Genetics	1
Geology	2
Geophysics	1
Hydroelectric power stations	2
Metallurgy	6
Nautical	1
Nuclear and fusion power	4
Nuclear physics	1
Oil / petroleum	23
Reproductive biology	1
Selective breeding	1
Shipbuilding	1
Space	11
Technology	93
Wind Energy	6