如果当你对光驱缓存的大小做了更改之后，系统产生了问题，请改回默认值。
If you do drive the size of the cache changes, the system had a problem, please revert to the default value.
这就产生了一个问题，因为系统管理程序应该只能在一个最受保护的范围中执行。
This creates a problem, because the hypervisor should execute in only the most protected domain.
1940年的时候，有一批人对这个问题产生了兴趣，他们成了这个的领域的探索先锋，该领域后来被称为事理学，也就是如何调节系统的科学。
This question was of interest to a handful of people in the 1940s who were the pioneers in a field that has become known as Cybernetics, the science of the regulation of systems.
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