半度量偽度量pseudometric space: 偽度量空間pseudometric uniformity: 偽度量一致性indiscrete pseudometric space: 密著偽度量空間linear pseudometric space: 線性偽度量空間two-sided invariant pseudometric: 雙不變偽度量下載手機(jī)詞典可隨時隨地查詞查翻譯