Based on distributed parameter circuit theory,the algorithm of fault diagnosis-multifrequency excited method to locate single-line-to-ground fault on the ungrounded 3-phase system is proposed in accordance with the characteristic of the system.
基于分布参数电路理论,针对中性点不接地三相系统特点,提出了树型配电线路单相接地的多频法故障诊断。
For geodesic triangle in 2-dimensional constant curvature space Σ,the author improves some geometric inequalities on its interior angle by theory of majorization.
对于二维常高斯曲率空间Σ上的测地三角形,研究了其内角的优超关系,并运用优超理论得到了若干新的关于其三内角的几何不等式。
For geodesic triangle in 2-dimensional constant curvature space Σ,in this paper,we improve some inequalities on its interior angle by theory of majorization.
对于二维常高斯曲率空间Σ上的测地三角形,研究了其内角的优超关系,并运用优超理论得到2个新的关于其三内角的几何不等式。
This thesis analyzes The House of Earth Trilogy from the perspective of the differences and similarities of Chinese culture and American culture reflected.
作为第一个获得诺贝尔文学奖的美国女作家,赛珍珠的《大地》三部曲影响深远。
This thesis aims at exploring Confucianism in her masterpiece, The House of Earth trilogy.
本文将依据儒家思想中三组重要的关系来探讨赛珍珠《大地三部曲》中的儒学思想。
In the breakthrough novel The House of Earth Trilogy, Pearl Buck demonstrates the traditional and modern marital systems before and after China’s social reform through three generations of the House of Wang.
赛珍珠在其代表作《大地三部曲》中,通过王氏家族三代人的婚姻展示了20世纪初中国社会变革前后的新旧两种婚姻制度。
Bases on multi conductor transmission line theory and symmetrical component theory,a new algorithm of single line to ground,double line to ground and triple line to ground fault location for the ungrounded 3 phase system is proposed.
基于多导体传输线理论和对称分量法理论,提出了不接地三相系统单相接地、两相接地和三相接地故障测距的新算法。
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