A possible approach of setting up a reliable digital system by means of self-checking technique is suggested.

提出自校验作为超可靠性数字系统的一种可能途径。

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Self-checking (also called self-validation or integrity checking) is a technique in which a program, while running, checks itself to verify that it has not been modified.

自校验（也叫自验证或完整性校验）就是程序运行期间校验自身代码以确认没有被修改的技术。

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