Britain is making clear that it cannot simply switch forces from one theatre to another.

英国清楚的知道不能够简单地从一个剧院转移到另一个。

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I'm still not super-clear in my head on the differences between a hub, router and switch and how it relates to the gnomes that live inside of each.

我的脑袋里还是非常地不明白集线器，路由器和交换机之间的区别，并且也不明白他们怎么在里面联系起来的。

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Unlike other bats and trilling birds, the clear-winged woolly bat and its relatives did not switch to a more narrow-band call as they got to this super-fast calling level.

不像其他蝙蝠和啭鸣的鸟类，洁翼彩蝠和它们的近亲因为达到了超高速水平并不需要切换到一个更窄的波段来啼叫。

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Dietzen believes that the logic for the switch is clear to customers.

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It's a tricky balancing act to pull off, and lots could go wrong -- for instance, it's not exactly clear how smooth it will be to switch between the two types of Windows, or if you'll even be able to get the old Windows on certain types of tablets (that is, tablets that run the power-efficient ARM processors used by the iPad and most other tablets today).

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The second, called electrochromic, requires voltage to switch the transparency from clear to opaque.

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