For availability, this computing system was a redundant design, with two sets of processors and buses and the ability to switch between a master and a slave if the master was found to be unresponsive.

就可用性而言，这个计算系统是一个冗余设计，有两组处理器和总线，能够在主机无应答的情况下在主机和伺服机之间进行切换。

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If your browser supports alternate style sheet switching, you can even view this master file, and switch between the three different versions by alternating between style sheets.

如果你的浏览器支持多个样式表的切换，你甚至可以靠它在多个版本的导航栏之间自由切换。

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My husband decided to install a light switch in our master bedroom. Cutting into the wall, he discovered a stash of bottles and boxes.

老公要在我们的主浴室里装一个电灯开关，在墙上凿了个洞之后，他发现了一堆隐藏的瓶瓶鑵鑵。

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Toward the right, you've got the USB type B connector that runs to your laptop, the AC adapter jack, and the master power switch.

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Once there, I realized that with the master switch off, my iPhone would not charge.

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After 10 infuriating minutes of fiddling, I got up and found the master switch.

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