However, GRBs are rare in galaxies like the Milky Way.
然而,像银河系这样的星系中,伽马射线爆很少发生。
Others have a duration shorter than 2 SEC are named as short GRBs.
持续时标短于2秒的暴称为短暴。
The question is why only a small fraction of supernovae produce GRBs.
问题是,为何只有一小部份的超新星会产生GRB ?
GRBs are likely to happen in our galaxy around every 10 million years or so.
在我们的星系中,大约每一千万年会发生一次伽马射线爆。
To date the GRBs observed have been in distant galaxies and not our own Milky Way.
迄今为止,观察到的伽马射线爆都来自于遥远的星系,而非来自我们的银河系。
The gear rotor bearing system (GRBS) is of great importance in high speed rotating machinery.
齿轮-转子-轴承系统是高速旋转机械最重要的部件之一。
Many new black holes in the distant universe previously have been detected in the form of gamma-ray bursts (GRBs).
许多新的黑洞在遥远的宇宙中已检测到以前的形式伽玛射线暴(暴)。
GRB 041219a took place on 19 December 2004 and was immediately recognised as being in the top 1% of GRBs for brightness.
GRB 041219A发生在2004年12月19日,一发生就被认为在亮度上是GRBs中占前1%的。
Soon after launch, Fermi started picking up gamma-ray bursts (GRBs), powerful explosions usually triggered by dying stars.
发射成功后不久,费米太空望远镜即开始收集伽马射线爆发(GRBs)的迹象,通常这种强烈的爆发是由濒死的恒星造成的。
Every week, astronomers sight two or three gamma ray bursts (GRBs), short flashes of high-energy radiation from collapsing stars.
天文学家们每周都能看到两三次伽马射线爆发(GRBs)现象,这种现象是恒星塌缩时产生的高能辐射所造成的短暂闪光。
GRB with redshift 6.3 has been detected recently, which indicates that GRBs now begin to serve as probes of the high-redshift cosmology.
最近还发现一个红移高达6.3的伽玛暴,这标志着伽玛暴开始成为研究高红移宇宙学的探针。
It's extra high energy, prompt burst, extra short time scale and complex construction of time and spectrum are very important in research of GRBs.
它的极端高能、极强烈的爆发、极短的时标和极其复杂的时间结构和能谱结构一直是伽玛暴研究的重要内容。
As infrared telescopes improve, scientists should eventually be able to measure the distance to GRBs with red shifts greater than 7 - if they exist.
随着红外望远镜技术的提升,科学家最终总能测定红移量大于7的GRB爆发的距离,如果它们存在的话——这是一个重大假设。
Gamma-ray bursts (GRBs) are short, sudden and intense flashes of gamma rays from the cosmos distance, the study of which is a hot topic in astronomy and astrophysics.
伽玛暴是来自宇宙学空间的一种短时标的伽玛射线突然增强的现象,它的研究已经成为当今天文学和物理学的热点之一。
Here we will give an overall review on the historical and current status of GRBs research field, and discuss the role of the relativity theory and cosmology founded by Einstein in GRBs researches.
本文旨在对伽玛暴研究的历史和现状作一个回顾和评述,并就爱因斯坦所创立的相对论和宇宙学具体在伽玛暴研究中的应用作一些讨论。
Here we will give an overall review on the historical and current status of GRBs research field, and discuss the role of the relativity theory and cosmology founded by Einstein in GRBs researches.
本文旨在对伽玛暴研究的历史和现状作一个回顾和评述,并就爱因斯坦所创立的相对论和宇宙学具体在伽玛暴研究中的应用作一些讨论。
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