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To choose the reasonable exceedance threshold, mean excess function and De-Haan moment estimate are used.

为了选择合理的超越门限，采用平均剩余函数和De-Haan 矩估计相结合的方法。

At present it is our task about how to enhance the level of project management, and to improve the benefit of construction, which can fasten project management internationalize.

如何提高工程项目管理水平，提高工程建设的效益，加快我国项目管理的国际化进程，是我们目前需要解决的一大课题。