拓扑空间 tuò pū kōng jiān

DEFINITIONS

  1. topological space (math.)

CHARACTERS

拓 tuò
HSK 6
expand; open up; support or push
扑 pū
HSK 6
pound, beat, strike; attack
空 kōng
HSK 3
empty, hollow, bare, deserted
间 jiān
HSK 2
midpoint, space; place, locality