A variety of methods are employed to solve Poisson equation when discussing on the surfacepotential and surfaceelectric 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。
2
Objective: To explain the physiologic electric phenomena of acute inferior myocardial infarction accompanied with ST depression in precordial leads with body surfacepotential 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。
3
The capacitance formulae of a long cylindrical surface sensor with a gap are discussed by solving electricpotential Lapalace's equation of the sensor.