Strong practical stability of discontinuous dynamic systems is studied in this paper.

文中研究了不连续系统的强实用稳定性，获得了一些简明的判别准则；

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Through practical running, the system performs the characteristic of good reliability, high stability and strong practicability, which can improve the execution efficiency of CNC remarkably.

系统经实际运行，具有可靠性好、稳定性高及实用性强等特点，可极大的提高数控机床的执行效率。

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