FOSM is usually used for the explicit performance function, and the accuracy of FOSM can not satisfy the engineering requirement sometimes for the structures which have higher reliability requirement.

一次二阶矩法可以方便用于功能函数为显式表达的情况，但对于可靠性要求较高的结构，其计算精度有时不能满足工程需要。

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In the case of physical goods, SMBs should be explicit with terms such as delivery time, acceptable product quality, and product performance.

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The performance was remarkable for the serious attention to the material, its explicit ties to departed bandmates Keith Moon and John Entwistle, and for the spectacle of a rock opera that actually rocks.

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