英语词汇“positive externalities”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典-复社网

单词	positive externalities
释义	positive externalities freq. 1 dict. 1 [网络]正外部性；正的外部性；正外部效应
随便看	dual impression technique dualin dual-income dual income no kids dual independent bus dual independent may encoding dual index mode dual indicator dualin, dualine dual induction focused log dual induction focused log instrument dual induction-laterolog dual induction laterolog dual induction log dual induction logging dual infection dual infector dualing dual initiator system dual injection dual injection pump dual-in-line dual in - line dual in-line dual-in-line container

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