spirality是什么意思及反义词

spirality 英[spaɪə'rælɪtɪ] 美[spaɪə'rælɪtɪ] n. 螺旋形; [例句]Extended spirality searching model of dipping sonar and submarine moving models were built.建立了反潜机吊放声纳的扩展螺旋线形应召搜潜模型、潜艇运动模型；