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
双语例句
- A meteoroid that has entered the earth's atmosphere.
进入地球大气层的流行。 - 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。 - 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。 - Studies on Meteoroid Streams
流星群研究 - 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。 - 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。 - 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 - 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 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。 - 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。