如果应用程序处于空闲状态，则不会占用线程这样的有限资源。

If the application is idle, it should not occupy finite resources such as threads.

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但是，大部分时间这些计算机是空闲状态，浪费了相当多的能源，他说。

But most of the time these PCs remain idle, wasting significant amounts of energy, he says.

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我们可以确定计算机是否始终处于空闲状态，还是以60%的使用率运行。

We can tell if machines are idle all the time, or if they're running at 60 percent capacity.

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