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meteoroid

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

    • 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。
    • 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。
    • Given enough time, the tensile stress in the interior of the meteoroid can be as high as 10 kb. This stress value is greater than estimated tensile strengths of meteoroids and the aerodynamic compression they encounter.
      在某个充分的时间内,陨星内部的张应力可能达到10kb,这一应力值大于估计的抗拉强度及其所遭受的空气动力学压力。
    • 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。
    • A meteoroid that has entered the earth's atmosphere.
      进入地球大气层的流行。
    • 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。
    • 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。
    • So far many countries are researching the technology of risk assessment of space debris impact, some of them already have a risk code, which can be used to value the risk assessment for the spacecraft in both meteoroid and orbital debris environment.
      目前各航天大国都在研究航天器风险评估技术,有些国家已经有了成熟的风险评估软件,可针对微流星体环境和轨道碎片环境分别对航天器进行风险评估。
    • 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。
    • 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。