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中心对称
bridg.constr. centrosymmetry; central symmetry
tech. central symmetry (性); centrosymmetry (性)
中 心 对称: 38 phrases in 14 subjects
Aviation2
Bridge construction2
Chemistry3
Chess1
Earth sciences1
Electric machinery1
General4
Hydroelectric power stations3
Mathematics1
Metallurgy5
Oil / petroleum2
Reproductive biology1
Space2
Technology10