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

• 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。
• 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。
• 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。
• 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
• 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。
• 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。
• 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。
• By analyzing performance prediction equations developed and used for protection of spacecraft against meteoroid and space debris, ballistic limit curves were obtained for different hypervelocity impacts of various shield materials and structures.
  在综合分析国际上已采用和研究航天器微流星体及空间碎片防护结构防护性能预报方程的基础上，给出了不同防护材料和结构形式防护在超高速撞击下的撞击极限曲线。
• A meteoroid that has entered the earth's atmosphere.
  进入地球大气层的流行。
• Studies on Meteoroid Streams
  流星群研究