On the basis of a large number of field test data, the regression of the displacement coefficient and system efficiency for pumping unit wells were established.

本文在抽油机井大量现场测试数据的基础上，建立了抽油机井系统效率、排量系数这两个重要指标与诸影响因素之间的回归方程。

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Then, the structural influencing coefficient and displacement amplification factor are calculated and compared with the analysis result of Pushover method.

本文系统地分析了多层抗弯钢框架的结构影响系数和位移放大系数。

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A "progressive updating" method of large scale displacement measurement is proposed to avoid the defect of low correlation coefficient caused by large scale displacement.

同时还提出一种“逐步更新”的测量方法，它克服了由于大的位移而导致相关系数偏低的缺点。

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