spacecrafts

英[s'peɪskrɑːfts] 美[s'peɪskrɑːfts]
  • 航天器
  • spa n.矿泉;温泉浴场;水疗
  • SPAA =SystemandProceduresAssociationofAmerica美国系统与程序协会
  • SPAAG abbr.[军]SelfPropelledAnti-AircrafftGun;自行高炮
  • Spaak n.斯巴克
  • Spaan n.斯帕恩
名词 spacecraft:
  1. a craft capable of traveling in outer space; technically, a satellite around the sun

    1. How many spacecrafts are orbiting the moon?
      有多少航天器绕月球轨道飞行?
    2. The rotation dynamic and quaternion kinetic equations of spacecrafts were educed according to the principles of variable-structure control.
      根据滑动模态变结构控制原理,导出了航天器三轴动力学和四元数姿态运动学方程。