真空介电常数
vacuum permittivity Also called the electric constant, denoted $\epsilon_0$, related to the Coulomb constant by $k = 1/(4\pi\epsilon_0)$.
CSCA 物理 考试术语
vacuum permittivity Also called the electric constant, denoted $\epsilon_0$, related to the Coulomb constant by $k = 1/(4\pi\epsilon_0)$.
CSCA 物理 考试术语