Close machine power.

关闭机床电源。

youdao

That basically says, how close are you the guts of the machine?

那基本上是说，你能有多靠近机器的核心呢？

youdao

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。

youdao

That basically says, how close are you the guts of the machine?

那基本上是说，你能有多靠近机器的核心呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

In the other context, you know in a Window and a Windows machine, you close it with the X on the top right hand corner, where do you close it in the Mac?

还有一个就是，在Windows操作系统下,当你要关闭某个东西时，需要点击,右上角的“X“,那在Mac操作系统下呢？

哈佛公开课 - 计算机科学课程节选

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