频率

• Wave speed equals frequency times wavelength .
  波速等于频率乘以波长。
• He manipulated the frequency dial of the radio .
  他开始调拨频率键盘。
• Confined waves have definite frequencies .
  被限制的波具有确定的频率。
• Radiation must have exactly the frequency .
  辐射必须严格具有频率。
• The resulting frequency varies by a few percent .
  最终频率有少许变动。
• The pitch depends on the frequency .
  音调的高低是由频率决定的。
• Competition between species is frequency-dependent .
  物种之间的竞争是频率制约的。
• The frequency and amplitude of vibration are monitored .
  振动的频率与振幅受到监控。
• Frequency modulation does not allow static to creep in .
  频率调制不允许静电干扰混入。
• Frequency modulation is not possible with polychromatic light .
  多色光不可能调制频率。