对称空间 duì chèn kōng jiān

DEFINITIONS

  1. symmetric space (math.)

CHARACTERS

对 duì
HSK 1
correct, right; facing, opposed
称 chèn
HSK 5
call; name, brand; address; say
空 kōng
HSK 3
empty, hollow, bare, deserted
间 jiān
HSK 2
midpoint, space; place, locality