1993年，苹果推出了第一款名为“牛顿”的掌上电脑，成为最早开发的私人数字化助理。
In 1993, Apple created its first Message Pad, known as the 'newton. 'it was one of the first personal digital assistants.
1993年，苹果推出了第一款名为“牛顿”的掌上电脑，成为最早开发的私人数字化助理。
In 1993, Apple created its first Message Pad, known as the 'newton. 'it was one of the first personal digital assistants.
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