This method is based on reliability idea, and the dam final stability coefficient dam of is defined by the strength reserve coefficient or over loading coefficient at limit equilibrium state.
该方法基于可靠度思想，以达到用极限承载状态时的强度储备系数或超载系数来表征大坝安全度。
This paper deals with the relationship between the size and the life of coal mines and the problem concerning reserve coefficient.
本文讨论了矿井井型与服务年限的关系以及储量备用系数问题。
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