The system safety analysis method occupies the important position in safety system engineering, and is the foundation to guarantee the safe operation production system.

系统安全分析方法在安全系统工程中占有着重要的地位，是保证生产系统安全运行的基础。

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This is less comforting than it sounds, because the usual method for doing a safety analysis is to include all the deaths that occurred in patients who were assigned to take a drug, not just those that are clearly linked to a treatment, in order to avoid missing anything.

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