射影幾何 shè yǐng jǐ hé

DEFINITIONS

  1. projective geometry

CHARACTERS

射 shè
HSK 5
shoot, eject, issue forth, emit
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