极限

• Light sets the speed limit for nature .
  光速限定了自然界的速率极限。
• A derivative is defined by a limiting process .
  导数是通过一个极限过程加以规定的。
• This limit is sometimes called the right-hand derivative .
  这个极限有时称为右导数。
• It begs entirely the difficult theory of limits .
  这个方法完全依赖于深奥的极限理论。
• He, too, tackled the notions of limit and continuity .
  他也抓住了极限和连续性的概念。
• The speed of light turns out to be nature's speed limit .
  光速原来是自然界的速度极限。
• The siren also reaches its pinnacle and then suddenly goes off .
  警报声达到极限，然后嘎然而止。
• We have now arrived at a special case of inverse limits .
  现在我们达到了反向极限的一个特殊情形。
• We say the gas becomes ideal in the zero-density limit .
  我们说在零密度的极限条件下，气体变成理想的。
• The endurance limit is reduced for temperatures above room temperature .
  温度高于室温，持久极限则降低。