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comic
cynic
cong
congo
cons
comics
?
二
次
曲
线
èr
cì
qū
xiàn
quadratic curve (geometry) / conic
圆
锥
曲
线
yuán
zhuī
qū
xiàn
conic section
二
次
曲
èr
cì
qū
quadratic curve / conic section (geometry)
By
MDBG
2025