基本解释摩爾分數；尅分子分數英汉例句雙語例句Examples are given to differentiate quantity ratio and mass fraction, mol ratio and mol fraction, cuba.例析了比率相關量如質量比與質量分數、摩爾比與摩爾分數、躰積比與躰積分數的區別。mol fraction更多例句词组短语短語mol fraction concentration 摩爾分數濃度mol fraction更多词组专业释义能源科學技術摩爾分數