family of confocal quadrics的意思|示意
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共焦二次曲面族
family of confocal quadrics的网络常见释义
共焦二次曲面族 ... family of confocal centred conics 共焦有心二次曲线族 family of confocal quadrics 共焦二次曲面族 family of continuous mappings 连续映射族 ...