您可以从商务中间租一台笔记本电脑和液晶投影仪。
你知道怎样把投影仪连接到电脑上吗?
电脑技术使文件投影到屏幕上变得方便了。
Computer technology has made it easy to project documents on to screens.
开电脑和投影仪有先后顺序吗?
Is there any sequence to turn on the computer and the projector?
开电脑和投影仪有先后顺序吗?
Is there any sequence to turn on the computer and the projector?
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