增加时间片的长度可以提高系统吞吐量，因为减少了上下文的切换。
Increasing the time slice might improve system throughput, due to reduced context switching.
这个播放器另外一个漂亮的特点是：你可以很容易地在全屏收看视频和幻灯片之间来回切换。
Another neat feature of the player is that you can easily switch between watching a full-screen version of the video and the slides.
演讲过程中为了不被束缚在电脑前，你可以使用遥控器来轻松地切换幻灯片。
Use a remote device so that you can change slides easily on the screen without having to be stuck behind a computer.
应用推荐