GigBaby! Four track recorder, metronome, drum machine.
四轨录音机，节拍器，鼓机。
In 1958, Australian scientist David Warren developed a flight-memory recorder that would track basic information like altitude and direction.
1958年，澳大利亚科学家戴维·沃伦开发了一种飞行记录仪，可以追踪飞行高度和飞行方向等基本信息。
Keep track. Next to your bed, place a pad and pen, or a tape recorder or laptop, to record your dreams as soon as you wake up.
跟踪梦境。在你的床旁边，放好本子和笔，或是录音机，又或是笔记本电脑，这样你可以在醒来时马上记录下你的梦境。
Expense Recorder is a smart application to track your daily, monthly, business, travel expenses. Application is very easy to use and has finger friendly UI.
费用记录仪是一种智能的应用程序来跟踪您的每日，每月，业务，差旅费。
Use a tape recorder to track all of the acquired facts being spoken and listen to it.
使用录音机录制演讲者说到的所有内容，然后听录音。
Soon after, the first multi-track tape recorder, also designed by Les Paul, was marketed.
不久以后，同样由莱斯。保罗发明的多声道磁带录音机也首次与顾客见面了。
Soon after, the first multi-track tape recorder, also designed by Les Paul, was marketed.
不久以后，同样由莱斯。保罗发明的多声道磁带录音机也首次与顾客见面了。
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