您要查找的是不是：
- Most planetary orbits are not circles but ellipses. 大多数行星的运转轨道是椭圆形而非圆形。
- Very accurate predictious of planetary orbits require corrections to the central-field approximation. 想要非常准确地预言行星的轨道，就需要对中心场近似进行修正。
- Very accurate predictions of planetary orbits require corrections to the central-field approximation. 想要非常准确地预言行星的轨道,就需要对中心场近似进行修正。
- These gravitational effects have a subtle, but apparently significant influence on the evolution of planetary orbits in the solar system. 这些引力作用对太阳系行星轨道的演变具有微妙而又明显重要的影响。
- The Influence of Solar Mass-Loss on a High Order Planetary Orbit 太阳质量损失对高阶行星轨道的长期影响
- Astronomers today (Tuesday) announced that (the) discovery of another planetary orbiting a distant star, making it the most the crowded? planetary system outside our own. 周二，天文学家称发现了一颗遥远恒星的行星，这使它成为太阳系外行星最多的恒星。
- the computation of planetary orbits 行星轨道的计算
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- 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。
- PROBE OF QUANTIZATION DISTRIBUTION OF PLANETARY ORBITS 行星轨道量子化分布的探索
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- 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。
- planetary orbit 行星轨道
- Marketing does not come within the orbit of his department. 市场推销业务不归他这一部门管。
- Planetary perturbations make the earth's orbit about the sun irregular. 行星的摄动使得地球绕太阳的轨道是不规则的。
- 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。
- Measured the planetary tilt in degrees. 测量地球倾斜的角度
