A variety of methods are employed to solve Poisson equation when discussing on the surface potential and surface electric field models of LDMOS with different structures in this paper.

在讨论不同结构的LDMOS表面势和表面电场模型时，本文采用多种方法求解泊松方程。

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Objective: To explain the physiologic electric phenomena of acute inferior myocardial infarction accompanied with ST depression in precordial leads with body surface potential mapping (BSPM).

目的用ST段体表等电势图（BSPM）的方法解释急性下壁心梗伴有胸导联ST段下移的心电现象。

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The capacitance formulae of a long cylindrical surface sensor with a gap are discussed by solving electric potential Lapalace's equation of the sensor.

通过求解带缝的长直圆柱面电容器中的电势的拉普拉斯方程，讨论该电容器的电容计算公式。

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