保长对应

保長對應
bǎochángduìyìng
  1. (math.) distance-preserving correspondence
  2. isometry

CEDICT

math

Entry Composition

1 保长 bǎocháng
  1. (math.) distance-preserving
  2. isometric
2 对应 duìyìng to correspond (to); to be equivalent to; to be a counterpart to