New formulations are on the basis of the theory of the bifurcation and the Jacobi matrix eigenvalue structure analysis incorporating the margin and state index of the voltage stability.
这个模型以电压稳定分析的特征结构分析法和分岔分析法为理论基础，把电压稳定的裕度指标和状态指标相结合加入了无功优化中。
By analyzing the formula of magnetic inductional intension and using the margin theory, this paper worked out the magnetic inductional intension of a point on round electric current lead axes.
从载流直导线的磁感应强度公式出发，应用极限理论，计算了圆形载流导线轴线上一点的磁感应强度。
Based on the investigation in the field and seismic profiles, we applied the theory of fault related fold in analyzing the traps of petroleum and natural gas in the southwestern margin of Ordos Basin.
通过对鄂尔多斯盆地西南缘三岔—演武地区野外调查和地震剖面分析，用断层相关褶皱理论对油气储集构造进行了研究。
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