频带的英文：
frequency range
bandwidth

参考例句：
  • (also waveband)radio range of wavelengths within specified limits
    波段频带
  • Broad band beam antenna
    宽频带定向天线
  • Frequency discriminator pass Band
    鉴频器通频带
  • The difference, expressed in hertz, between the two limiting frequencies of a band
    一个频带的上下界频率之差,单位用赫兹表示。
  • This reduces gain but widens the amplifier's passband.
    这方法降低了增益，但加宽了放大器的通频带。
  • Another attribute is the flux or radiant power that can be delivered in that narrow frequency band
    另一个性质就是在这样窄的频带内可以给出很高的光通量或辐射功率。
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。
range是什么意思：
n. 一系列；排，列；山脉；类别；幅度；等级；范围；射程；射击场；牧区；炉灶
v. 排列；归类于；射程达到；漫游；延伸；变化；涉及
  • the range of the nightingale
    夜莺的生长区
  • range the hills, countryside, etc
    漫游山地、 乡村等.
  • range crane fly
    牧场大蚊
bandwidth是什么意思：
带宽 ; (是指网络上每秒能通过的最大数据量。例如T1线路拥有1.544MBPS的频宽)
n.精力
  • Bandwidth traditionally was not up to that of wired networks.
    传统上带宽达不到有线网络的带宽。
  • First, bandwidth traditionally was not up to that of wired networks.
    第一，传统上带宽达不到有线网络的带宽。
  • Halving the repeater spacing made it possible to quadruple the bandwidth.
    将增音机间距减少一半，能使宽带增加3倍。

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