频率

• The cyclotron frequency can also be derived by an elementary argument .
  回转频率也可以通过浅显的论证导出来。
• With this restricted frequency range it is not applicable to hydrocarbons .
  这个较紧缩的频率范围不适用于烃类。
• Clearly, this frequency-selective absorption is an important effect .
  显然，这种频率选择吸收是一个重要的效应。
• We are asking a network or system to attenuate certain frequencies .
  我们正在要求一个网络或系统去压制某些频率。
• The doppler frequency can be obtained as a heterodyne or beat effect .
  由于外差或频差效应，能够得到多普勒频率。
• The frequency domain, the holograph and related concepts have all been used .
  频率域、全息及有关的概念都已采用。
• In the evening this station changes frequency and broadcasts on another band .
  该电台晚上改变频率，在另一波段播音。
• △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 electromagnetic spectrum covers an enormous range of frequencies and energies .
  电磁波谱包括极大的频率和能量范围。
• there will be no amplification of radiation at the frequency .
  在频率处的辐射将不会有任何增强。