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- The two systems of government are polar opposites. 这两种政体正好相反。
- The darkest region of a sunspot. 太阳黑子中的最黑暗的区域
- sunspot polarity 黑子极性,太阳黑子极性
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- Now, however, a larger sunspot with negative polarity is being tracked. 然而，现在又出现了一颗带负极的巨大黑子。
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- We observe three sunspot groups on the disc. 在日面上观测到三个黑子群。
- 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
- 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 grayish outer part of a sunspot. 太阳黑子周围较浓的浅灰区
- The polar region is the habitat of the polar bear. 北极地带为北极熊的栖息地。
- Note the polarity of the voltage drop across R. 注意R上电压降的极性。
- Although they can swim, the polar bears are terrestrial animals. 北极熊虽然会游泳，但也是陆栖动物。
- In spite of vigilance a polar bear escaped from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- The polar bear's habitat is the icy waters of the Arctic. 北极熊的栖息地是冰冷的北极海域。
- This is an intriguing theory that droughts tie in with the sunspot. 这是一个关于干旱与太阳黑子活动周期有关的令人感到有趣的理论。
- Love and hatred are polar feelings. 爱与恨是完全相反的感情。
- Extending across or crossing either of the Polar Regions. 横越极地任一个横越或穿过两个极地地区中的
- A polar bear has a preference for cold weather. 北极熊喜欢寒冷的天气。
- These faculae frequently are the forerunners of sunspot formation. 这些光斑常常是形成太阳黑子的先兆。
