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- Radio astronomy has greatly increased our understanding of the universe. 辐射天文学大大地增进了我们对宇宙的了解。
- Radio astronomy today is armed with the largest antennas in the world. 射电天文学拥有世界上最大的天线。
- They can be ground based or orbiting around the Earth. 望远镜亦可固定在地面或在太空中绕地球运行。
- The development of the technical infrastructure for radio astronomy through training in techniques. 通过技术训练逐步完善射电天文的技术支撑队伍。
- In none of these respects does optical astronomy have any advantage over radio astronomy. 在所有这些指标上,射电天文并不比光学天文逊色。
- A new science, Radio Astronomy, has emerged, and it is very closely allied to astronomy, astro-physics and physics. 出现了一门新兴学科----无线电天文学,它与天文学、天文物理学和物理学关系密切。
- The mass of one of these suppressive black holes has recently been measured using radio astronomy. 这些有着巨大质量的黑洞,最近利用了射电天文学来测量它们的质量。
- He Baoyu (Aerocraft Design)Directed by Wu JiSynthetic aperture technology in radio astronomy is introduced into microwave radiometer since 1980's. 八十年代以来,为改善微波辐射计性能,人们将射电天文观测中的孔径综合技术引入到微波辐射计设计中,开始了综合孔径辐射计的研究。
- Compared with modulation based radio sensors, the passive and telemetric surface acoustic wave (SAW) sensors are absolutely necessary in some special environment applications. 无线传感系统是传感器的一个研究热点,与基于调制解调的无线传感器相比,基于声表面波的无线传感器在许多特殊场合日益显示出其必要性和重要性。
- Foremost among the techniques used to study dense interstellar region is molecular radio astronomy, a relatively new and repidly developing interdisciplinary science. 在用来研究高密星际区域的技术中,最重要的是分子射电天文学;这是一门较新的发展迅速的边缘科学。
- Unlike ground based command sites that are vulnerable to attack,the E-4B has the mobility to escape direct assault. 不像易受攻击的地面指挥所,E-4B具有躲避直接攻击的机动能力。
- Foremost among the techniques used to study dense interstellar region is molecular radio astronomy, a relatively new and rapidly developing interdisciplinary science. 在用来研究高密星际区域的技术中,最重要的是分子射电天文学;这是一门较新的发展迅速的边缘科学。
- The ultimate success of the project will be achieved if the next forefront radio astronomy project can be conceived, planned, and built entirely in China. 如果下一个前沿的射电天文项目能够完全在中国构思、计划和实现,那才是伙伴小组最后的成功。
- Ground based anti-air like Bullfrogs and Striker VX's can be taken out if you have numbers on your side. 如果你拥有数量优势的话,地基防空武器如牛蛙和打击者VX之流是可以被消灭的。
- The water vapor was found 11.5 billion light years from Earth, using the 100-meter Effelsberg radio telescope at the Max Planck Institute for Radio Astronomy in Leipzig, Germany. 隶属于卜朗克无线电波天文研究院的伊费尔斯堡无线电波天文台,使用反射镜直径达100公尺的无线电波望远镜,在离地球115亿光年之处发现水蒸气。
- Mark Adams, a spokesman for the National Radio Astronomy Observatory, says that his institute has not yet been told how much money it must raise to keep the VLBA open. 国家射电天文台的发言人,表示他的协会还没有被告知要提高多少钱才能维持VLBA运行。
- The data sets include the images from Landsat and ERS satellites as well as some ground based soil and plant measurements. 这些数据包括一些实测的土壤和植被的数据以及陆地卫星Landsat和欧洲遥感卫星ERS遥感影像。
- The validity problem of active multi-decoy to ground base radar system is studied. 摘要研究了有源多假目标等欺骗性电子干扰对地基防御雷达系统的有效性问题。
- The objective of this thesis is to develop a general obstacle segmentation algorithm for use on board a ground based unmanned vehicle (GUV). 本研究的最终目标是利用建构口腔舌头模型,来研究生理语音构音的机制。
- Aircraft with HF datalink can fly polar routes and maintain communication with ground based systems (ATC centers and airline operation centers). 安装有高频数据链系统的航空器能够执行极地航路飞行,并保持与地面系统的联系(如空中交通管制中心和航空公司的运行控制中心)。
