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。
• 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。
• 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。
• Bill Cooke of the NASA Meteoroid Environment Office said, Observers with clear skies could see as many as 40 Geminids per hour.
  来自NASA流星体环境研究所的BillCooke表示：如果天气晴好，观测者每小时能看到40颗双子座流星。
• 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。
• 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。
• 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。