机器自动操作，里面有一台电脑。

The machine works automatically, with a computer in it.

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如果资源可以获得，那么虚拟机器可以自动的开始运行附加的操作，那时就不需要关闭他们了。

If resources are available, virtual machines can automatically launch to perform additional operations, then shut down as they are no longer needed.

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因此，与其期望您知道任意一个给定事务调用的所有的物理机器并手工添加它们，不如进行自动化的操作。

Therefore, rather than expecting you to know all of the physical machines that would be involved in any given transaction and to manually attach to each one, this process is automated.

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