您要查找的是不是：
- The two systems of government are polar opposites. 这两种政体正好相反。
- In this paper, structure, polarizing principle and characteristics of the Rochon prism used in HITACHI 180_Series Zeeman atomic absorption spectrophotometers are described. 简述了日立180系列塞曼原子吸收仪的洛匈棱镜的结构、起偏原理、偏振特性，以及常见故障。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- The same principle may make for smoother writing. 这同一原则也可使文章写得更通顺。
- 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。
- The unbelief of God is our principle. 不信仰上帝是我们的原则。
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- Your behavior does not accord with your principle. 你的行为与你的原则不符。
- It will be against my principle to lie to you. 对你说假话是违背我的行为准则的。
- Located or found in one of the Polar Regions. 环极的，围绕极地的位于或发现于一个极地区域中的
- He acted from expediency, not from principle. 他为求达到目的，丧失了原则。
- I refuse to go there, on principle. 我原则上拒绝到那儿去。
- In spite of vigilance a polar bear escape from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- The same principle may make for smooth writing. 同样的原则可能有助于流畅的文体。
- We uphold the principle of racial equality. 我们坚持种族平等的原则。
- The polar region is the habitat of the polar bear. 北极地带为北极熊的栖息地。
- The two machines work on the same principle. 这两部机器的工作原理是一样的。
- I take this seriously. It's a matter of principle. 我对此很认真。这是原则问题。
- They agreed to the plan only in principle. 他们只是原则上同意那计划。
- Note the polarity of the voltage drop across R. 注意R上电压降的极性。
