英语词汇“sigma information retrieval system”的翻译、意思、用法、释义-英汉汉英词典

单词	sigma information retrieval system
释义	sigma information retrieval system西格玛信息检索系统双向☞SIR--SIGMA information retrieval systemsigma information retrieval system西格瑪資訊檢索系統電子計算機名詞
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