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

• 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；
• 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。
• 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。
• Studies on Meteoroid Streams
  流星群研究
• 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。
• Most of the spacecrafts are suffering from the bad space environment, and the space debris, included meteoroid and orbital debris, imperiled the spacecrafts most.
  其中对航天器威胁最大的就是空间碎片，包括微流星体和轨道碎片。
• A meteoroid that has entered the earth's atmosphere.
  进入地球大气层的流行。
• 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。
• 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。