- 一一对应 yīyīduìyìng one-to-one correspondenceA relationship where each element in one group corresponds to exactly one element in another group
- 一多对应 yīduōduìyìng one-to-many correspondence
- 保角对应 bǎojiǎoduìyìng conformal map(mathematics) a mapping between two surfaces or domains that preserves the angles between curves; conformal mapping or conformal transformation
- 保长对应 bǎochángduìyìng isometry(mathematics) distance-preserving correspondence
- 对应词 duìyìngcí equivalent worda word or phrase in one language that corresponds to a word or phrase in another language
