FI

switching constant (开关时间与磁场强度的比值) 开关常数

field intensity 场强

electric field intensity 电场矢量

high magnetic field intensity 高磁场强度

dielectric field intensity 介质场强

free space field intensity 自由空间电场强度

legal required field intensity 规定场强，指定场强

intensity of magnetic field 磁场强度

field intensity measurement 场强计量

intensity electric field 【电】 电场强度