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- After about sixty days, LRO will enter its operational circular polar orbit, about 31 miles above the moon's surface. 经过大约在60天LRO将进入月球极低轨道，大约处于月球表面31英里。
- LRO's final orbit will be a circular polar orbit approximately 50 km above the Moon's surface (a little over 30 miles). LRO的最终轨道将是一个圆形极地轨道，离月球表面（略微超出30英里处）约50公里。
- When circularly polarized light is used, the cross may be eliminated. 用圆偏振光时,这十字就可以消失。
- All the other wavelengths will emerge as either elliptically or circularly polarized light. 所有其它波长的光将以椭圆偏振光或圆偏振光出射。
- The collimated light goes through a 1/4 wave plate. This converts it into circularly polarized light. 经过准直镜校准后的光线射入四分之一波板。平行偏振光又被转化为圆偏振光。
- The collimated light goes through a1/4 wave plate. This converts it into circularly polarized light. 经过准直镜校准后的光线射入四分之一波板。平行偏振光又被转化为圆偏振光。
- The proposed EBG-backed circularly polarized aperture antenna is designed to operate in X- and V-band frequencies. 本论文将所提出的覆背式电磁能隙圆极化槽孔天线分别设计在X频带及V频带上。
- This thesis studies a circularly polarized reflectarray based on a microstrip ring patch as a radiating element. 中文摘要本论文是以环形天线为幅射单元当架构，来研究一圆形极化反射阵列。
- The two systems of government are polar opposites. 这两种政体正好相反。
- The design of wideband circularly polarized printed antenna is an important issue of antenna research recently. 摘要:宽频圆极化的印刷天线设计是当前天线研究的重点之一。
- In this thesis, a circularly polarized patch antenna fed by a microstrip-line is designed for the 60GHz (V-Band) communication system. 本论文中，我们主要是提出一种用微带线馈入的圆极化微带天线，经由模态分析法加以分析。
- The ring antennas also have potential advantages of compact size and broader circularly polarized (CP) bandwidth as compared to the patches. 环形天线跟微带天线相比较的话，环形天线具有尺寸较小和圆形极化频宽会较广等优点。
- In our experiment we used pulses of circularly polarized light to excite pools of electrons in the ZnSe into identical spin states. 在实验中，我们使用圆偏振光脉冲，将硒化锌的电子团激发到相同的自旋状态。
- OBSERVATION OF CIRCULAR POLARIZATION AT 3.2CM WAVELENGTH OF THE SOLAR ECLIPSE OF SEPTEMBER 22,1968. 1968年9月22日日食的3.;2厘米波段圆偏振观测
- In this study, we propose several novel designs of CPW-fed broadband circularly polarized (CP) antenna.Besides, we also discuss each kind of our proposed antenna structures. 本论文提出几种新型共面波导馈入式宽频带圆形极化天线，并针对每种不同类型的天线结构进行探讨。
- The circular polarized waves of current sources of an electric and a magnetic Hertz dipoles combination. 一赫芝电偶极加上一赫芝磁偶极在远场之圆形极向电磁波。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- In order to meet the required precision and reliability for the globe positioning system (GPS), a dual-band circularly polarized (CP) antenna is needed. 为了满足GPS定位准确性和可靠性的需要，要求天线在GPS两个频率上实现圆极化。
- The results of experimental and theoretical study indicate that the unpolarized light from He-Ne laser is equivalent to circular polarized light. 实验和理论研究的结果都说明由氦氖气体激光器发出的非偏振光是和圆偏振光等效的。
- The result shows that emitting with circular polarization and receiving with copolarization are effective on rain clutter's depression. 结果表明：雷达采用园极化发射，同极化接收，可有效抑制雨杂波。
