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

• 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。
• 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。
• 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。
• A meteoroid that has entered the earth's atmosphere.
  进入地球大气层的流行。
• 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。
• 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。
• 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。
• A unique methodology providing global optimization of spacecraft protective structures is presented to minimize spacecraft weight of protective structural systems exposed to meteoroid and space debris hypervelocity impacts.
  文章描述了一个用于航天器防护结构综合优化的独特方法&几何规划优化技术，以减小暴露于流星体和空间碎片超高速碰撞环境下的航天器防护结构系统的重量。
• Studies on Meteoroid Streams
  流星群研究
• That's when a meteoroid entered the earth's atmosphere over the Mediterranean and was picked up by U.
  美国预警卫星在监测高空爆炸物和来袭导弹时发现一颗流星穿破地球大气层，降落在地中海地区。