对称空间

symmetric space (math.)

right / correct / couple / pair / towards / at / for / to face / opposite / to treat (sb a certain way) / to match together / to adjust / to fit / to suit / to answer / to reply / classifier: couple

right; correct / towards; at; for / concerning; regarding / to treat (sb a certain way) / to face / (bound form) opposite; facing; matching / to match together; to adjust / to fit; to suit / to answer; to reply / to add; to pour in (a fluid) / to check; to compare / classifier: couple; pair

symmetry / symmetrical

to fit / balanced / suitable

to weigh / to state / to name / name / appellation / to praise

variant of 秤[cheng4] / steelyard

empty / air / sky / in vain

to empty / vacant / unoccupied / space / leisure / free time

space / room / (fig.) scope / leeway / (astronomy) outer space / (physics, math.) space

between / among / within a definite time or space / room / section of a room or lateral space between two pairs of pillars / classifier for rooms

gap / to separate / to thin out (seedlings) / to sow discontent