constants

• The entropy density is constant ahead of the shock .
  冲击波前方的熵密度是恒定的。
• Even outstanding musicians require constant practice .
  既使是好乐师也需经常练习。
• You may notice that americans are in constant motion .
  你会注意到美国人时常走动。
• The spring constant is replaced by the weighting function .
  弹簧常数用权重函数代替。
• The sample flask is immersed in a constant temperature bath .
  将试瓶浸入恒温水浴中。
• Constant arguing does not make for a happy marriage .
  经常争吵不利于维系和美的婚姻。
• He was the constant lover .
  他是一个忠贞不渝的爱人。
• The spacing is maintained constant .
  格距保持不变。
• In a uniform flow, the velocity is constant everywhere .
  在均匀流动中，速度处处相同。
• A quantity whose value remains unchanged is called a constant .
  其值不变的量称为常量。