振动

• Waves are related to oscillating systems .
  波动与振动系统有关。
• They will cause the speaker diaphragm to vibrate .
  它们将引起扬声器薄膜振动。
• The motion has an oscillatory nature .
  运动具有振动性质。
• The string is in a magnetic field .
  振动弦处于磁场之中。
• The loud noise rang down the valley and hit the rocks .
  巨响传彻山谷，振动岩石。
• When you play a violin, the violin string vibrates .
  当你拉小提琴时，琴弦就振动。
• The frequency and amplitude of vibration are monitored .
  振动的频率与振幅受到监控。
• Molecules rotate and vibrate by virtue of their heat .
  分子因热效应而发生转动和振动。
• It should be noted that the vibration is not wig-wag .
  要注意，这里讲的振动不是摇摆。
• Some thermostats are too sensitive and easily vibrated .
  有些定温器太灵敏，也容易振动。