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点对称
gen.
centrosymmetry
bridg.constr.
point symmetry
点对 称
:
30 phrases
in 15 subjects
Agriculture
1
Aviation
2
Bridge construction
2
Business
1
Desert science
1
Electronics
1
Engineering geology
1
Explosives and Explosive Ordnance Disposal
1
General
1
Geophysics
1
Mathematics
1
Metallurgy
3
Remote sensing
1
Space
2
Technology
11
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