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to phrases
离子
比
率
gen.
ion-ratio
离子 率
:
62 phrases
in 16 subjects
Agriculture
1
Automobiles
1
Chemistry
4
Earth sciences
6
Ecology
1
Electronics
12
Explosives and Explosive Ordnance Disposal
1
General
3
Geology
2
Metallurgy
8
Natural sciences
1
Nuclear physics
1
Oil / petroleum
1
Polymers
2
Semiconductors
1
Technology
17
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