The last scheme for adding security to your machine is the boldest one. You will close the open port making your machine virtually impregnable to any attack.

增强计算机安全性的最后一种方案是最激进的：关闭打开的端口，这会让任何攻击都无法攻破您的计算机。

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We're going to use this imaginary train to get as close as possible to the speed of light and see how it becomes a time machine.

虚构的火车以接近光速的速度行驶，它如何变成一个时间机器呢？

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If the machine where these servers are deployed is close to the minimum disk or RAM requirements, then they should be reconfigured.

如果部署服务器的机器配置接近硬盘和RAM的最低限度，那么它们应该得到重新配置。

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Because, really, you can never truly feel close to a coffee machine until it's taunted you to jump up and down to fill your cup of joe.

ENGADGET: BeMoved coffee machine will make you jump for your caffeine fix

Because it has a 6-gigabyte hard drive, most music collectors would be hard-pressed to even come close to exhausting the machine's capacity.

CNN: All Music, All the Time

Whereas the PRI is planning to field Beatriz Paredes, a well-known figure with close ties to her party's machine in the capital, the PRD has struggled to unite behind a strong candidate.

ECONOMIST: Mexican politics: Left in the lurch | The