首先讨论了几种确定风险接受准则的方法，它是整个风险分析的基础。
Above all, several approaches to determine risk acceptance criteria, as the basis of whole risk evaluation, are discussed.
最后，将该范围与制定的风险接受准则相比较，确定基坑的风险等级。
Finally, compared with the risk range and acceptance criteria of risk, the risk rank of an excavation can be obtained.
最后，将该范围与制定的风险接受准则相比较，确定基坑的风险等级。
Finally, acceptable risk criterion and risk control measures have been discussed in this paper.
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