变频的英文：
frequency conversion

参考例句：
  • EAL-68 with small amount of additive is suitable for R407C in variable frequency rotary compressors of YZB-20R.
    EAL-68型POE润滑油加入少量添加剂可以作为R407C的YZB-20R型变频压缩机用油。
  • The frequency inverters has a function of variable voltage and variable frequency.
    频率逆变器具有变压、变频功能。
frequency是什么意思：
n. 发生率，频繁，频率
  • W is the radian frequency deviation from the center frequency
    △W是角频率与中心频率的偏离值。
  • The frequency inverters has a function of variable voltage and variable frequency.
    频率逆变器具有变压、变频功能。
  • Accidents are happening with increasing frequency.
    事故发生得越来越频繁。
  • He varied the transmission frequency.
    他变换了无线电传送的频率。
  • There will be no amplification of radiation at the frequency ??
    在频率?舜Φ姆?射将不会有任何增强。
conversion是什么意思：
n. 转变，变换；兑换；改变信仰
  • conversant with
    1.精通的;熟悉的
  • This is a sense of conversancy.
    这是一种亲切感。
  • The converse is not necessarily true.
    反过来就不一定正确。
  • What is affixation, conversion and compounding?
    什么是词缀法、 转化法和合成法？
  • The weather forms the staple of their conversation.
    天气构成他们谈话的主要内容。

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