quark star造句

例句与造句

1. Though some ideas of quark stars were proposed as early as in 1969 , no great progress had been made until the 1980s
   虽然天文学家早在1969年便提出奇异星的概念，但直至80年代，这个理论才有更进一步的发展。
2. Such sources are believed to be either quark stars or neutron stars , and a subclass of these are already observed by conventional means as pulsars or x - ray emitting celestial objects
   一般认为这些信号源就是夸克星或中子星，其中一些已经通过传统的方法观测到，称为脉冲星。
3. Gravitational waves are ripples in the fabric of space and time produced by events in our galaxy and throughout universe , such as black hole collisions , shockwaves from the cores of exploding supernovas , and rotating pulsars , neutron stars , and quark stars
   引力波是时空结构的波动，由我们银河系乃至整个宇宙中发生的事件，比如黑洞碰撞、超新星爆发时核心产生的激波以及旋转的脉冲星、中子星和夸克星所产生。
4. It's difficult to find quark star in a sentence. 用quark star造句挺难的