principles

• Equation expresses the principle of minimum potential energy .
  方程表示出最小势能原理。
• Prudence applied principles to particular issues .
  把原则应用在特殊问题上是深谋远虑的。
• You must adopt at least a piece of a southern principle .
  你至少得遵守一点南方的规矩吧。
• I have certain principles .
  我历来信守一些原则。
• We should stick to the principles and be flexible as well .
  既要有原则性，也要有灵活性。
• The system works on the principle that heat rises .
  该项装置是按照热力上升的原理运转的。
• It flies in the face of the principle of comparative advantage .
  它回避了比较利益的原则。
• It set out principles guiding relations between the states .
  它制定了国家关系的指导原则。
• This result is known as the bohr correspondence principle .
  这样的结果通称为玻尔对应原理。
• This is the basic operating principle of many thermostats .
  这是许多恒温箱的基本工作原理。