From application point of view, this paper introduced a value and a criterion for PIO tendency evaluation, the formulas were derived in detail.
从应用的角度详细地介绍了国外预测pio时使用A值及A准则的情况。
Therefore, a new kind of tendency forecast method for bridge evaluation is offered.
给桥梁评估提供了一种新的趋势预测方法。
The study of the earthquake has some significance for the mid-long term earthquake tendency analysis in THW CapitaI Circle area, and for the evaluation of seismic safety in the area.
此地震的研究对首都因重点监视防御区的中长期地震趋势分析和该地区地震安全性评价有一定的意义。
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