通過學習曲線增產(chǎn)以降低價格 curve of learning; learning curve: 學習曲線curve of learning: 學習曲線curve, learning: 學習曲線learning curve: 學習曲線, 熟悉曲線; 訓練水平曲線表curve learning practice curve: 實踐曲線下載手機詞典可隨時隨地查詞查翻譯
