A unit of electric power equal to the product of one volt and one ampere, equivalent to one watt.

伏安法功率单位，等于一伏特和一安培的乘积，等于一瓦特。

※A long dispute means that both parties are wrong. ( Voltaire )——    持久的争论意味着双方都是错的。（伏尔泰）
※I disapprove of what you say, but I will defend to the death your right to say it. ( Voltaire)——    我不同意你说的话，但我愿意誓死捍卫你说话的权利。（伏尔泰）