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- spacecraft orbit dynamics 航天器轨道力学
- The general relative orbit dynamics equation and GPS orbit observational equation onboard for spacecraft formation flying have been developed. 同时文章也提出了用GPS伪距测量信息实现卫星编队飞行的建立和保持的自主导航控制方法。
- The spacecraft orbited Mars three times. 太空船绕火红四周的轨道转三周。
- As each spacecraft orbits the Earth it emits a carrier wave. 每一个航天器绕地球轨道运转的时候,它会发射一种载波。
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- The spacecraft orbited the Earth 14 times and reached an altitude of 343 kilometers. 宇宙飞船绕地球飞行了十四圈,并到了一个海拔343公里的高度。
- Orbit Dynamics of Artificial Satellite 人卫轨道力学
- Last Wednesday the Shenzhou 5 spacecraft orbited the Earth 14 times and reached an altitide of 343 kilometres. 上周三,神舟五号宇宙飞船围绕地球飞行了14圈,达到了343公里的高度。
- Last Wednesday the Shenzhou 5 spacecraft orbited the Earth 14 times and reached an altitude of 343 kilometres. 上周三,神州五号宇宙飞船围绕地球飞行了14圈,达到了343公里的高度。
- The spacecraft is in orbit (ie moving in orbit) round the moon. 该航天器在绕月球轨道上飞行。
- The Landsat spacecraft orbits the polar regions of the earth at a height of 920 kilometers. 地球资源卫星航天器以920公里的高度环绕地球的两极地区运行。
- IN THIS ARTICLE: A spacecraft orbiting Mars as part of the Mars Global Surveyor mission will be sending back data to Earth for two years. 本文简介:一艘沿火星轨道运行,执行火星全球勘测者部分任务的宇宙飞船,将连续两年把勘测数据发送回地面。
- According to the principles of orbital dynamics, the most efficient places to apply drag or thrust are the points in the orbit nearest (periapsis) and farthest (apoapsis) from Jupiter. 根据轨道动力学的原则,施加拖曳或推进力最有效率的位置是轨道中最靠近及最远离木星的点(分别为近心点与远心点)。
- Cassini, the robotic spacecraft orbiting Saturn that took this image, is not expected to survive to the next Saturnian equinox in 15 years. 正绕土星飞行的卡西尼飞船拍摄到了这张影像,预计它将运行不到下一个土星秋分日的到来,也就是15年之后。
- Yang and his spacecraft orbited the earth 14 times during about 21 hours before he safely landed in North China the next day. 他于2003年10月15日乘坐神舟5号载人宇宙飞船进入太空,成为我国的第一位宇航员。
- This process continues indefinitely, although the timing changes drastically depending on the orbital dynamics of the two stars. 尽管由于两颗恒星轨道的动力学因素会使这一时间间隔发生剧烈的改变,但这一过程仍以不确定的方式在继续。
- Due to orbital dynamics, the obliquity varies between a minimum of 21 degs. 39 mins. and a maximum of 24 degs. 36 mins. over a 41,000 year cycle. 由于轨道动力学,倾斜度在最小值21度39分和最大值24度36分之间变化。
- The two spacecraft will link up (with each other) in orbit. 两艘宇宙飞船将於轨道上(互相)连接。
- Said Dr. James W. Head III, a professor of geological sciences. Photographs taken by a spacecraft orbiting Mars indicate that active volcanoes may still exist on the planet. 言出地质学专家海德博士。由一艘绕火星运行的飞船所拍摄的照片显示火星上仍有可能存在着活火山。
- The above photograph taken in mid-January by the robotic Cassini Spacecraft orbiting Saturn.The oblong moon Prometheus is visible on the far left of the image. 这张清晰的影像是由卡西尼号太空船,于一月中绕行土星时所拍摄,可见长形的土卫十六就在影像的左方。