通过使用功能等价法，实现了传统文献到网络文献的迁移。

Function Equivalence method is used to realize the transfer from traditional document to network document.

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为此，采用等价应力法对有初始变形的井架进行结构分析。

An equivalent stress method for the structural analysis of derrick with initial deformation is offered.

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采用追踪法计算等价模糊矩阵，并提取聚类后的脉冲序号，更具有实际意义。

The equivalent fuzzy matrix was calculated with the tracking method and the serial number of the pulses was obtained, these have greater practical significance.

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