讨论了二次电位和二次电场出现异常谱的原因，并分析了极化球体上U_2、E_2的表达式，提出了存在的问题及其严密、精确解的表达式。
The origin of IP anomaly spectrum is discussed. In addition, after analysis of the expressions of U_2 and E_2 for a polarizable spherical body, the authors put forward a strict and exact solution.
本文运用SAS软件中的二次响应面回归和聚类分析方法，研究了抑郁症临床症状与事件相关电位之间的相互关系。
In this paper, we study the correlativity between depressive clinical symptoms and event related potentials by the methods of response surface and cluster analysis in SAS.
由于ECIS过程的主要推动力是电极电位，离子交换基体无需再生，消除了由化学再生过程产生的二次污染物。
Because the main driving force is the electrode potential in the ECIS process, chemical regeneration of the ion exchange substrate is not necessary.
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