pulsar

英 [ˈpʌlsɑː(r)] 美 [ˈpʌlsɑːr]

n.  脉冲星

复数:pulsars

BNC.18100 / COCA.15376



牛津词典

noun

  1. 脉冲星
    a star that cannot be seen but that sends out regular rapid radio signals

    柯林斯词典

    1. 脉冲星
      A pulsar is a star that spins very fast and cannot be seen but produces regular radio signals.

      双语例句

      1. In brilliant blue, this is the pulsar wind nebula of the Crab Nebula in the constellation of Taurus.
        这个绚丽的蓝色是金牛座星系中蟹状星云的脉冲风星云。
      2. And Chandra made a picture very recently of the Crab Nebula, of the pulsar, and that's what I want to show you now.
        钱德拉最近做了个,蟹状星云的图,中子星的图,我现在给你们看。
      3. An X-ray binary system has been formed, and the neutron star has made the crucial second step toward becoming a millisecond pulsar.
        射线双星就这样形成了,于是这颗中子星就向成为毫秒脉冲星迈出了关键的第二步。
      4. Explore the Doppler effect in a binary pulsar system by downloading the "Pulsating Science" 3D visualisation software.
        您可以下载一款名为“PulsatingScience”的3维可视软件来探索脉冲双星系统中的多普勒效应。
      5. We know the period of the pulsar to a very high degree of accuracy.
        我们知道脉冲星周期,的精确度很高。
      6. Moreover, we get a set of pulsar binaries with known sky positions and orbital parameters.
        进一步,我们能够知道一些有确切位置和轨道参数的脉冲双星。
      7. The action of eating matter speeds up the pulsar's spin to hundreds of rotations a second.
        这种吸取物质的行为使得脉冲星的自转速度加速至一秒种几百次。
      8. Unlike the rapidly rotating neutron stars in the Crab Nebula and Vela supernova remnants that are surrounded by dynamic magnetized clouds of electrons called pulsar wind nebulas, this neutron star is quiet, faint, and so far shows no evidence for pulsed radiation.
        与蟹状星云和船帆座超新星遗迹中被磁化电子云(脉冲星风星云)环绕的高速自转中子星不同,这颗中子星安静而虚弱,目前为止,没有显示脉冲辐射的迹象。
      9. Browse the ATNF online pulsar catalogue that contains the most recent information on the1800 known pulsars.
        请浏览ATNF的脉冲星目录,其中包含了已知的1800颗脉冲星的最新信息。
      10. A pulsar is a type of stellar corpse that emits powerful beams of radio waves from its poles.
        脉冲星是一种恒星的残体,通过两级发射出强烈的脉冲波。
      11. Pulsar B's X-ray emission might be visible because pulsar A's wind intercepts the magnetosphere of pulsar B, powering pulsar B's wind and heating up the neutron star's surface.
        脉冲星B的X射线辐射能够被看到可能是因为脉冲星A的星风阻断了脉冲星B的磁层,为脉冲星B的星风提供了动力并加热中子星的表面。
      12. The high brightness temperature of the pulsar radio emission implies that the underlying emission mechanism must be coherent.
        极高的亮温度意味着起作用的发射机制一定是相干的。
      13. Pulsar: A dense, rapidly rotating star that emits pulses of light.
        脉冲星:高密度、快速旋转、发射脉冲光的星体。
      14. The mass of the Crab Pulsar is not too different from that of the sun.
        蟹状星云脉冲星的,质量和太阳不差太多。
      15. This would make the object in SN1979C the youngest and brightest example of such a "pulsar wind nebula" and the youngest known neutron star.
        如果后一推测属实,那么SN1979C中的观察目标将是最年轻、最明亮的“脉冲星风星云”标本,它也将是已知的最年轻的中子星。
      16. Analysis in X-ray Pulsar Navigation Phase Ambiguity Resolution
        X射线脉冲星导航中相位模糊度解算
      17. With the results from this pulsar search, we improve our understanding of how many binaries with neutron stars may be out there in total.
        有了脉冲星搜索的结果,我们能够进一步了解总共有多少含有中子星的双星系统。
      18. A Discussion of Pulsar Autonomous Navigation Positioning and Timing for Spacecraft
        航天器利用脉冲星进行自主导航定位和授时初探
      19. A millisecond pulsar is thought to form when the pulsar is siphoning material from a companion star.
        毫秒脉冲星被认为形成于脉冲星从它的伴星中吸取物质时。
      20. There is an object which we call the Crab Pulsar.
        有一个物体叫做,蟹状星云脉冲星。
      21. Structure of a pulsar-a rotating magnetic neutron star.
        脉冲星的结构。一颗旋转磁中子星。
      22. And this object, this pulsar in the Crab Nebula is radiating copious amounts of x-rays, of gamma rays.
        这个物体,这蟹状星云的脉冲星,辐射出丰富的x射线,以及伽马射线。
      23. The limited sensitivity of present pulsar surveys and the greater frequency drift make the more distant pulsars difficult to observe.
        目前脉冲星普查的有限探测灵敏度和大的频率漂移,使我们难以观测到更遥远的脉冲星。
      24. The spooky blue interior glow is emitted by high-energy electrons accelerated by the Crab's central pulsar.
        鬼魅的蓝色内部光线是由被蟹状星云中心脉冲星加速了的高能量电子发出的。
      25. This is not the pulsar, but this one is.
        这颗不是,但这颗是。
      26. Summing these components is a well-known trick in pulsar searches and significantly increases the sensitivity of the search.
        对这些频率求和是搜索脉冲星时的常用技巧,能得显著提升搜索的灵敏度。
      27. A comparison is made between the TOA transfer equation for the spacecraft navigation and that for the radio pulsar timing observations carried out with ground radio telescopes.
        同时,对导航用的脉冲星脉冲TOA转换方程与地面射电计时观测用的脉冲星脉冲TOA转换方程进行了比较研究。
      28. In these data sets, our pulsar search aims to find binaries with orbital periods longer than eleven minutes.
        对于得到的数据集,我们所负责的脉冲星搜索,其目标主要是寻找轨道周期长于11分钟的脉冲双星。
      29. And so here you have the data on the Crab Pulsar.
        这是蟹状星云脉冲星的数据。
      30. This star is clearly not the pulsar as it is about equally bright on both exposures.
        这颗星很明显不是,中子星,因为它几乎,在两次曝光中一样亮。

      英英释义

      noun

      1. a degenerate neutron star