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。
By using the theory of fault-related fold and kinematics characters, research of tectonic modeling about local structures of south margin of Junggar basin was made.
利用断层相关褶皱理论、运动学特征，对准噶尔盆地南缘区域局部构造进行了构造建模研究。
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