一些有关交换机的配置，很经典额，提供给大家参考下，希望有所帮助，- Some of the switch configuration, it is the classic volume, provide for your reference, it is hoped help, thank you

数电实验报告，该报告包括数电常规知识操作，额可以加深对数电知识的认识，加强认识。-Number of electrical test report, which includes several general knowledge of electrical operation, the amount of knowledge can deepen understanding of the logarithmic power to raise awareness.

了解CPU空闲时间--何时需要担心,了解CPU的依稀额关键性能评价指标-Understanding CPU steal time- when you need to worry about, understand key performance evaluation vaguely amount of CPU