youdao

This represents a gain of 50% over the physical machine.

这表明比物理机多获益50%。

youdao

Each physical machine has the following characteristics.

每台物理机器都具有以下特点。

youdao

"The brain-machine interface is a system that allows disabled people, people suffering from physical disabilities to communicate with external world and also to control devices."

VOA: special.2011.04.04

If you have some plain text, some message that you want to send, well, you can encrypt it or you can scramble it using a key, a secret key, which might be a physical machine like the Enigma 13 or it might be a number like 13.

如果你有没有加密的文本，你想要寄送的一些消息,你就可以加密它,或者你可以用一个密钥使其变得混乱，那就像一个英格玛的物理装置,或者他就是一个数字。

哈佛公开课 - 计算机科学课程节选

- Here, the secret is not a number 13, it's actually the build -- the diagram, the details, the gears, and the handles inside of this physical machine that constituted a secret.

这里，机密数字不是数字13，它实际上构造了-,一个图表，这个物理装置中的细节，传动装置，操纵,就构建成了一个机密。

哈佛公开课 - 计算机科学课程节选

The protection mechanisms that are present in the Windows kernel are rendered less effective inside of a virtual machine as opposed to a physical machine.

FORBES: How Bad Assumptions Are Making Software Less Secure

But a virtual server could be intercepted in midflight, Oberheide points out, and altered to give a hacker entry into whatever new physical machine it has moved.

FORBES: Virtualization's Dark Side

The performance of a virtual machine, for example, may vary widely, based on the computing taking place on the other virtual machines that are running on the same physical machine.

FORBES: How to Build a Reliable Cloud for Legacy Apps