meteoroid

英

美

n.  流星体

COCA.28488

英英释义

noun

• (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere
  Synonym:meteor

双语例句

• Technically, a meteor is merely the streak of light we see trailing a meteoroid.
  严格说来，流星仅仅指流星体身后的那一道光，也就是我们看着划过天空那一道。
• Especially, the history and status of meteoroid astronomy, the ground-based and space observations of meteoroid streams, the observed and theoretical radiants about meteor showers;
  重点叙述流星天文学的历史与现状；流星群的地面和空间观测；流星雨观测和理论辐射点；
• Turn the globe by just a few hours earlier on that day in June and the meteoroid would have been over the border of Pakistan and India – exactly where everyone was fearing a nuclear attack.
  如果六月的这天，地球转动退回到几小时前，流星降落的地方就正好是巴基斯坦和印度的交界处，世人唯恐发生核战的交界地。
• Once it hits Earth, a meteoroid suffers an identity crisis and becomes a meteorite.
  流星体一旦撞上地球，就变成了陨石。
• Studies on Meteoroid Streams
  流星群研究
• The space debris and meteoroid environment are defined followed by the formulation of the general weight objective function.
  空间碎片和流星体环境由广义加权目标函数的公式来定义。
• Risk Analysis of Meteoroid and Space Debris High-velocity Impact on Spacecraft
  微流星及空间碎片高速撞击航天器风险度分析
• The probability of impact or failure is calculated by Finite Element Analysis Method and the arithmetic flow of spacecraft risk assessment in the meteoroid environment is designed. Second, both the earth shadowing effect and the spacecraft shadowing effect are discussed thoroughly.
  应用有限元分析方法计算碰撞及失效概率，设计出了微流星体环境风险评估算法流程。
• And even smaller type of interplanetary debris is the meteoroid.
  甚至更小的太阳系内的碎片也是流星体。
• The cometary ejection play a crucial role in formation and evolution of the meteoroid stream.
  彗星的喷发速度在流星群的演化过程中起着重要作用。