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原子序 yuánzǐ xù
tech. atomic number; ordination number
原子序 yuánzǐ xù
construct. ordination number
tech. atomic number
原子序: 37 phrases in 13 subjects
Automobiles1
Business1
Chemistry4
Earth sciences1
Electronics4
General2
Metallurgy13
Nuclear physics1
Oil / petroleum1
Physics2
Polymers2
Space2
Technology3