保长对应 bǎochángduìyìng isometry Definitions Defs Origin Strokes Stroke Words Sentences Sents 保长对应 (保長對應) bǎochángduìyìng isometry distance-preserving correspondence or mapping between two metric spaces Sources Definitions CC-CEDICT
保长对应 (保長對應) bǎochángduìyìng isometry distance-preserving correspondence or mapping between two metric spaces Sources Definitions CC-CEDICT