spacecrafts
常见例句
- How many spacecrafts are orbiting the moon?
有多少航天器绕月球轨道飞行？ - 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。 返回 spacecrafts