Underwater structure will be damaged in different degree in this kind of particular environment. Among these defections, the crack is the important factor to evaluate the reliability of structures.

水下结构物在水下这种特殊的环境中会受到不同程度的损伤，其中裂缝缺陷是评估结构物安全可靠性的重要因素。

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Acquired immunity functions here mean those new powerful defense capabilities produced by a certain factor inducement or participation on the basis of organism congenital structures and functions.

获得性防卫功能是生物在原有的结构和功能的基础上，在某种因素的诱导或参与下，产生的新的强大的防卫功能。

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Thus, the stress concentration factor due to the misalignment should be considered in the analysis of fatigue life of the local structures.

因此，在对局部结构进行疲劳强度分析时，应考虑错位对于应力集中系数的影响。

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Their competitors eventually will figure out that a distributed team is a big factor in why their rivals are achieving lower cost structures, higher profits, and a more contented workforce.

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