1
a var
var为可数名词，指无功功率单位。
The capacitor supplies one var of reactive power.
电容器提供一增值二手商的无功功率。
乏；无功伏安
vars — plural of var
先理解核心含义，再看它在真实句子里的用法。
乏；无功伏安
a unit of electrical power in an AC circuit, equal to the power dissipated when 1 volt produces a current of 1 ampere
The capacitor supplies one var of reactive power.
电容器提供一增值二手商的无功功率。
电功率单位,在交流电路中,当1伏特电压产生1安培电流时所消耗的功率。
A unit of electrical power, in an AC circuit, equal to the power dissipated when 1 volt produces a current of 1 ampere.
A var is the unit used to measure reactive power in an AC circuit.
乏是用于测量交流电路中无功功率的单位。
The capacitor adds 200 vars to the reactive power of the system.
电容器向系统增加了200乏的无功功率。
The technician read the meter and noted that the motor required 350 vars.
技术人员读取仪表，注意到电动机需要350乏。
var为可数名词，指无功功率单位。
The capacitor supplies one var of reactive power.
电容器提供一增值二手商的无功功率。
The total load is 500 vars.
总负载为500增值二手商。
Not this
The reactive power is 50 VA.
Use this
The reactive power is 50 vars.
VA (伏安) 是视在功率的单位，而 var (乏) 是无功功率的单位。应使用 vars 表示无功功率。
Not this
The circuit requires 100 var.
Use this
The circuit requires 100 vars.
var 是可数名词，复数形式为 vars。在表示多个单位时，应使用 vars。
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可数名词
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.