In the 2.4 scheduler, the timeslice recalculation algorithm requires that all processes exhaust their timeslice before their new timeslices can be recomputed.

在2.4版本的调度器中，时间片重算算法要求在所有的进程都用尽它们的时间片以后，它们的新时间片才会被重新计算。

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Middle node law among them give and publish detailed mathematics prove, exhaust and search for law give and produce the concrete algorithm.

其中中间节点法给出了详细的数学证明，穷举搜索法给出了具体的算法。

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To aim at the problem that the key space of DES is too small to prevent exhaust attacks, an expanding key space method is proposed and a chaotic transformed DES algorithm is constructed.

针对DES密钥空间过小而不能抵抗穷举攻击的问题，本文给出了一种基于混沌映射的密钥空间拓展方法，从而构造了一种混沌变形DES算法。

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