提出一种稳定和精确的坐标变换和闭合积分方法，用以求解描述周期势场中布朗粒子作定向运动的乘性朗之万方程。
A stable and accurate integral closed algorithm is presented, which is used to solve multiplicative Langevin equation describing the directed motion of a particle in a periodic potential.
如果有一个物理量，对任何闭合回路积分是常数，这个物理量就是一个热力学态函数。
If you have a quantity which is constant over any closed path, that quantity is a thermodynamics state function.
用矩量法求解闭合导体目标的电场积分方程或磁场积分方程将得到不正确的表面电流。
The incorrect surface current may be obtained in the vicinity of the resonant frequencies when the method of moments is used to solve either the electric or magnetic field surface integral equation.
用矩量法求解闭合导体目标的电场积分方程或磁场积分方程将得到不正确的表面电流。
The incorrect surface current may be obtained in the vicinity of the resonant frequencies when the method of moments is used to solve either the electric or magnetic field surface integral equation.
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