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四价
 四价
gen. quadravalence; quadravalency; tetrad; tetra valency
 | 锕系元素
 锕系元素
chem. actinide

to phrases
四价 sìjià
gen. quadravalence; quadravalency; tetra valency
met. quadrivalence; quadrivalency; tetravalence; tetravalency
四价元素 sìjià
gen. tetrad
四价
: 78 phrases in 19 subjects
Agriculture7
Animal husbandry2
Business2
Chemistry12
Commerce1
Dermatology2
Economy1
Electronics2
General15
Genetics2
Information technology1
International trade1
Life sciences1
Metallurgy19
Pharmacology1
Project management1
Reproductive biology2
Technology5
Water resources1

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