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- As above results, the polarized scattering matrix or radar cross section (RCS) of inlet can been calculated. 这个问题的研究可用来解决喷气式发动机进气道对电磁波的反射，进一步地利用本文的结果可计算进气道的雷达截面（RCS）或极化散射矩阵。
- The polarization scattering Doppler spectral characteristics of chaff clouds in outer space are studied. 研究了自由空间中箔条云团极化散射的多普勒谱特性。
- The polarization scattering statistics of chaff clouds in outer space are studied in this paper. 针对自由空间环境,研究了箔条云团极化散射的统计特性。
- The two systems of government are polar opposites. 这两种政体正好相反。
- It mainly includes the instantaneous polarization properties of time-varying electromagnetic wave, the polarization scattering properties of briefness target and chaff clouds. 运用瞬态极化学理论，提出了基于瞬态极化时频分析的目标识别方法和基于瞬态极化投影矢量的真假目标鉴别方法，均获得了良好的效果。
- The feasibility of measurement of Polarization Scattering Matrix (PSM) of radar target using transmitting-antenna and sidelobe-canceller antenna is discussed in this paper. 摘要探讨了利用雷达主天线变极化特性和辅助天线结合测量目标极化散射矩阵的可行性。
- According to the research results obtained, the polarized scattering matrix or RCS of the inlet of an aircraft and the non-continuity of the waveguide can be calculated. 它为研究计算飞机进气道的RCS或极化散射矩阵，以及波导的不连续性提供了一个有效方法。
- 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。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- Small villages scatter at the foot of the mountain. 村庄零零落落地散布在山脚下。
- Are there any animals in the polar circles? 南极圈和北极圈内有动物存在吗？
- The farmers were scattering seed on the fields. 农夫把种子撒在田里。
- 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
- When the tree falls, the monkeys scatter. 树倒猢狲散。
- Fully polarized scattering center 全极化散射中心
- 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 polar region is the habitat of the polar bear. 北极地带为北极熊的栖息地。
- 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。
