投影幾何 tóu yǐng jǐ hé

DEFINITIONS

  1. projective geometry
  2. same as 射影幾何|射影几何

CHARACTERS

投 tóu
HSK 5
throw, cast, fling, pitch; jump
影 yǐng
HSK 1
shadow; image, reflection; photograph
幾 jǐ how many? how much?; a few, some
何 hé
HSK 4
what, why, where, which, how