principles

• Darwin called this the principle of divergence .
  达尔文把这个称为性状趋异原理。
• I refuse on principle .
  我拒绝是按原则办事（并无恶意）。
• The uncertainty principle can account for diffraction .
  测不准原理可以说明衍射。
• In truth, the uncertainty principle is fundamental .
  事实上，测不准原理是基本的。
• They must follow from the basic principles .
  它们就一定是自基本原理推导得出来的。
• Here are few examples to illustrate this principle .
  略举数例，用以说明这一原理。
• A gas-filled ionization chamber uses this principle .
  充气电离室就是利用这一原理。
• We have the following corollary to this principle .
  由这个原理我们可以作如下推导。
• That 's not a matter of principle .
  这个问题上不了纲。
• It would be against my principles to lie to you .
  对你说假话是违背我的行为准则的。