safety loop

The accident occurrence is less than 10-4a-1 which may be recommended as an acceptance risk for safety operation of an in-pile test loop.

分析结果：事故发生的总频率小于10~（-4）a~（-1），此事故发生频率作为考验回路安全运行是可以接受的。

This paper describes the stability of control loop consisting of refrigeration evaporator and thermostatic expansion valve. It may directly influence refrigerating efficiency and operation safety.

分析热力膨胀阀和蒸发器调节系统的稳定性，它直接影响着制冷效率和运行安全。

Safety Strategy for AVC Closed-loop Control of Regional Power Network Dispatching Automatic System

地区电力调度自动化AVC闭环控制安全策略

Each test will serve as a quality feedback loop, creating both a safety net and an executable form of documentation for anyone who wants to change the production code.

每个测试都起到质量反馈回路的作用，给那些想修改产品代码的人创建了一个安全保护网，以及一份可以执行的文档。

Safety loop is connective and effective grounding.

确安全路都通、接地好、接线.