经济条件不好的那几个月已经侵蚀了信用可靠度，而房地产泡沫破裂使得四分之一按揭贷款人变成拥有负资产。
months of poor economic conditions have eroded credit-worthiness, while the housing bust has left a quarter of mortgage borrowers with negative equity.
国家气象局(NWS)提醒道，它给出的炎热指数值并不可靠，微风条件和暴露于阳光直射下都能增加炎热指数15度。
The NWS cautions that its given heat index values assume shady, light wind conditions and that exposure to direct sunlight can increase the heat index by 15 degrees.
通过建立在条件概率基础上的体系可靠度公式，找出拱坝的最大可能失效模式与相应的可靠度。
Finally the possible failure mode and the corresponding reliability of the dam are obtained by the system reliability formula from the conditional probabilistic theory.
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