root system basis

Run this as root on a regular basis or when your distribution informs you of new system updates.

定期或者当发行版通知您有新的系统更新时，以根用户身份运行这个命令。

It provides the basis for dealing with the on-disk file system, as it defines the file system's managing parameters (for example, total number of blocks, free blocks, root index node).

它是处理磁盘上的文件系统的基础，因为它定义文件系统的管理参数(例如，块的总数、空闲块和根索引节点)。

From theory of root locus derived are the criteria of universal interest for stability of nonlinear system on the basis of equivalent gain, and methods for its qualitative and quantitive analyses.

本文用等效增益概念，根据根轨逊理论，导出了具有普遍意义的非线性系统稳定性的判别准则以及定性定量分析稳定性的方法。