All these jobs can now be done by one single machine.

所有这些工作现在只用一台机器就可以完成。

《牛津词典》

It is not a single machine anymore and this is the key difference.

它再也不是一台单独的机器，有着很大的不同之处。

youdao

Note that it is possible to have multiple JVMs on a single machine.

注意在一台机器上可能会有多个JVM。

youdao

However, consolidating this onto a single machine results in a total draw of 166W, or a 37% savings.

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Both the X11 client and server can run on a single machine.

CNN: Opinion: Linux doesn't do Windows -- and neither should you

Ranger Michael Maguire, training at the Castlemartin Ranges, died from a single machine gun shot probably fired from 0.6 miles (1 km) away.

BBC: Ranger Michael Maguire