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双键 shuāng jiàn
agric. double key
chem. duplet bond
earth.sc. double bonding
met. double bond
化学双键 shuāng jiàn
auto. double bond
α,β-双键
chem. alpha-beta double bond
β碳原子与γ碳原子间的双键
chem. βcarbon atom and γcarbon atom double bond
α-β双键
chem. alpha-beta double bond
双 〔偶〕键
construct. duplet bond
双 键
: 104 phrases in 21 subjects
Agriculture4
Air defense2
Animal husbandry1
Automobiles1
Aviation1
Chemistry20
Commerce1
Electronics8
General6
Information technology3
Mathematics1
Medical appliances1
Multimedia1
Oil / petroleum13
Perfume1
Plastics4
Polymers10
Shipbuilding1
Technology22
Telecommunications2
Water resources1