• 1. 使波动: undulate | fluctuate
• 2. 我使用波动法则: Law of Vibration
• 3. 使原油价格波动: fluctuate crude oil prices

• 1.约束波的第一例子是使波动在一个界面上受到限制。
  Our first example of confining waves will be to confine a wave at one boundary.
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• 2.很好地调节电源使波动最小化并在载荷变化情况(如同电镀容器中看到的那样)下提供稳定的可预知电流。
  The power supply is well regulated to minimize ripples as well to deliver a steady predictable current, under varying loads such as those found in plating tanks.
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• 3.这些快速贸易商带来市场不稳定，波动性增加，并使个人投资者因害怕而远离市场。
  These fast traders create unstable markets, increase volatility, and are scaring individual investors away from the markets.
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