magnetic permeance[物] 磁导
material permeance物质透过
permeance modulated磁导调制
permeance fluid导磁液
air permeance空气渗透系数
permeance method仮定磁路法
permeance factor磁导系数
rainfall permeance降雨入渗
leaky permeance漏磁导
For the sake of reduce the end force brought by the special end effect of linear motor, the paper presents a method of optimizing elementary length to modulate the phase of permeance of two ends, and optimizes the elementary length.
对直线电机固有的端部效应，提出了优化初级长度的方法对两端部磁导的相位进行调制，优化了初级长度，有效的削弱了端部作用力。
参考来源 - 永磁直线同步电动机关键技术的研究N（名词） the act of permeating 渗入; 弥漫