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。
• 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。
• Studies on Meteoroid Streams
  流星群研究
• The meteoroid bodies experiencing solar reheating during exposure have slightly lower natural TL levels than the normal ones, while the reheating events before exposure affect natural TL levels more obviously.
  暴露期间经历了太阳加热的母体较正常母体具有稍低的自然热释光值，宇宙暴露前的加热事件对自然热释光值的影响更大。
• 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。
• Bill Cooke of the NASA Meteoroid Environment Office said, Observers with clear skies could see as many as 40 Geminids per hour.
  来自NASA流星体环境研究所的BillCooke表示：如果天气晴好，观测者每小时能看到40颗双子座流星。
• In order to ensure the safety in operation of orbital spacecrafts, especially the long duration and large size spacecrafts. Space debris and meteoroid shield are very important factors in the designing of spacecrafts.
  为了保证在轨航天器的安全运行，微流星体和空间碎片的防护成为现有航天器，特别是长寿命、大尺寸航天器设计时必须考虑的因素。
• 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 are briefly and systematically presented.
  对流星群的研究作了简明而系统的介绍。
• When a meteoroid enters the atmosphere, it compresses the air in front of it.
  当流星体进入大气层，它压缩的空气在前面的。