本文主要给出现有主流软件容错技术的一个综述。
The paper surveys various software fault tolerance techniques and methodologies.
实验表明：软件测试和软件容错技术相结合，可以进一步提高软件系统的可靠性。
Experimental results show that software system reliability thus can be remarkably enhanced by combining the software testing approach with software fault tolerance technologies.
在设计控制系统中，采用了硬件冗余和软件容错技术，使得整个系统的可靠性大大增强。
In designing the control system, the hardware redundance and the software tolerance technology are adopted. It greatly enhances the reliability of the control system.
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