Taivo A Taiwan Mandarin dictionary

下確界

xiàquèjiè

ㄒㄧㄚˋ ㄑㄩㄝˋ ㄐㄧㄝˋ

Simplified 下确界

  1. 1(math.) infimum; greatest lower bound

Keep 下確界 and it comes back until you know it.

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