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- The two systems of government are polar opposites. 这两种政体正好相反。
- Firstly, the polarization characteristics of active multi-decoy of any elliptic polarized antenna jammer are presented and the polarization scattering properties of radar target are also discussed. 首先详细分析了任一椭圆极化天线有源假目标的极化特性，并探讨了典型雷达目标的极化散射特性。
- The polarization characteristics of active decoy of any elliptic polarized antenna were analyzed,and the analytic expression of its instantaneous polarization projection vector(IPPV) was given. 分析了任一椭圆极化天线有源假目标的极化特性,导出了其瞬态极化投影矢量(IPPV)的解析表达式,分析了不同极化电磁波激励下雷达目标散射回波IPPV的起伏特性。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- Broadband circularly polarized antenna 宽带圆极化天线
- Reception improved because of the new antenna. 接受效果因有新天线而得到改善。
- dual circularly polarized antenna 双圆极化天线
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- 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
- No antenna, no radio, we're back in the nineteenth century! 没有天线，没有无线电，我们回到十九世纪了。
- 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。
- You should fix the television antenna before receiving programs. 接收节目前，你应该先装天线。
- The polar region is the habitat of the polar bear. 北极地带为北极熊的栖息地。
- The reception is very poor. Let me adjust the antenna. 接收效果太差了。让我来调一下天线。
- 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。
- Love and hatred are polar feelings. 爱与恨是完全相反的感情。
- Extend the telescopic antenna vertically. 竖直地伸张伸缩式天线。
- 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
