单词：spacecrafts
(spacecraft 的复数) n. 航天飞船
plural of spacecraft
n. a craft capable of traveling in outer space; technically, a satellite around the sun
n. a craft capable of traveling in outer space; technically, a satellite around the sun
spacecrafts的用法和样例：
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。
单词：spacecrafts 相关文章
NASA's twin Stereo spacecrafts called Behind and Ahead captured rare footage of the Sun erupting over about a 30 hour period between September 26th and 27th. From the Behind perspective on the left, the long filament, darker than the Sun's surface, c
发表于:2019-01-22 / 阅读(275) / 评论(0)
自然百科2009年
自然百科2009年
BEIJING, Sept. 23 (Xinhua) -- A defunct U.S. satellite is expected to crash down to Earth Friday, with nobody knowing where or when exactly it will hit. This was avoidable, a Chinese expert said Thursday. Pang Zhihao, a researcher from the Chinese Re
发表于:2019-02-06 / 阅读(237) / 评论(0)
英语新闻
英语新闻