保长对应 bǎo cháng duì yìng

isometry; (math.) distance-preserving correspondence

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. isometry
  2. 2. (math.) distance-preserving correspondence

Characters

Character Meaning
保 bǎo HSK 4
to protect; to ensure; to guarantee
长 cháng HSK 2
to grow; to develop; to increase
对 duì HSK 1
for; towards; at
应 yìng HSK 3
should; ought to; must