参考词典中var的常规释义:
基本释义
- n. [电]乏
英英解释
1个名词解释
- a unit of electrical power in an AC circuit equal to the power dissipated when 1 volt produces a current of 1 ampere
[同] var, volt-ampere
点击查看……- a unit of electrical power in an AC circuit equal to the power dissipated when 1 volt produces a current of 1 ampere