罗氏几何 luó shì jǐ hé

DEFINITIONS

  1. hyperbolic geometry
  2. Lobachevskian geometry

CHARACTERS

罗 luó net for catching birds; gauze
氏 shì
HSK 6
clan, family; mister
几 jǐ
HSK 1
small table
何 hé
HSK 4
what, why, where, which, how