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
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。;增值二手商
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。
用法提示:这里 var 作单数名词,说明它是无功功率的单位。
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。
用法提示:这里 vars 是 var 的复数形式,表示 200 乏这个量。
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。
用法提示:这里 vars 是 var 的复数形式,作 required 的宾语,指无功功率的数值。
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。
grammar · medium
易错句子The reactive power is 50 VA.
正确表达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。
grammar · medium
易错句子The circuit requires 100 var.
正确表达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。
Choose the next layer that will help you use var. with more confidence.
Recommended next
Missing: Collocations
Complete this area with collocations.
Includes Context & register & Memory tip
Analyze the context and learn memory tricks to remember it.
More ways to explore
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Includes Spelling & sound
Explore words with similar spelling endings or sounds.
Includes Word components & Thematic vocabulary
Learn how to build related words using roots, prefixes, and thematic clusters.
Includes Idioms & Cultural references
Discover idioms, slang, and famous pop culture quotes.
Dictionary facts from ECDICT, WIKTIONARY.