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- By comparing with Hohmann orbit transfer, the aeroassisted orbit transfer decreased fuel consumption obviously. 通过与霍曼轨道转移相对比，气动辅助变轨明显地降低了燃料消耗。
- Abstract The Gauss pseudospectral method was used to solve the coplanar aeroassisted orbit transfer from high earth orbit to low earth orbit (HEO-LEO). 摘要 将高斯伪谱法用于共面高轨道到低轨道航天器气动辅助轨道转移的研究。
- Based on relative motion equation of satellite state transferring, analytic solution of two-impulse orbit transfer of constellation is derived, which is analytic equation of impulse control variable. 基于卫星相对运动状态转移方程，推导出了星座双脉冲式变轨的理论解，即所要施加的脉冲控制量的解析式；
- China “Shenzhou seven” the spaceship on 25th lifts off smoothly, and the orbital transfer is before dawn successful on 26th. 中国“神舟七号”宇宙飞船25日顺利升空，并于26日凌晨变轨成功。
- To develop light, reliable, sanitary space station maneuverable orbital transfer thruster, the novel gas dynamic resonance ignition method was applied. 为研究轻型、可靠、环保的空间站机动变轨发动机,在氢氧液体火箭发动机头部设计中引入了新型气动谐振点火技术。
- China's first lunar probe Chang'e-1 completed its first orbital transfer Thursday afternoon, another key move in its 380,000-km journey to the moon. 中国的第一台月球探测器嫦娥1号在它的380,000公里旅途结束了它的第一个变轨星期四下午，另一关键移动到月亮。
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- Automatic Fast Orbit Transfer Control Based on Model Prediction 基于模型预测的轨道自主快速大机动控制
- The space shuttle will orbit a weather satellite. 太空梭将把一个气象卫星送入运行轨道。
- The launch vehicle lifts the satellite into orbit. 太空火箭将人造卫星送入运行轨道。
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- Fuel-optimal coplanar orbital transfer using the advanced variable specific impulse magnetoplasma rocket (VASIMR) is studied.Thrust direction and specific impulse are considered as control variables. 摘要以国外目前正在研制中的变比冲磁等离子体火箭发动机(VASIMR)为背景，研究了变比冲发动机作用下的同平面燃料最优轨道转移。
- 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。
- Marketing does not come within the orbit of his department. 市场推销业务不归他这一部门管。
- He intends to transfer the property to his son. 他打算把财产转让给儿子。
- Research of Long-range Orbit Transfer for Space Based Anti-satellite Weapon 一种天基反卫星武器远程变轨方法研究
- This footballer wants a transfer to another team. 这位足球运动员想转到另一个球队踢球。
- The satellite was launched into orbit around the moon. 卫星被发射进入绕月球运行的轨道。
- 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。
- By now, putting satellites in orbit is old hat to space scientists. 现在，对航天科学家来说，把卫星送入轨道已不是一桩新鲜事了。
