| 1. | We have already worked out the conditions for a circular orbit .
我们已经算出了圆轨道的条件。 |
| 2. | Let us calculate the velocity required for such an orbit, and the time of one revolution .
现在我们计算圆轨道所需的速度，以及运转一周所需的时间。 |
| 3. | As another example the center of mass of the earth and moon moves in an approximately circular orbit around the sun .
作为另一个例子，地球和月亮的质心就是在一个绕太阳的近似的圆轨道上运行。 |
| 4. | Intermediate circular orbit
中间圆轨道 |
| 5. | Nearly circular orbit
近圆轨道 |
| 6. | The two impulses optimal rendezvous between coplanar neighboring circular orbits is studied using genetic algorithms
2利用遗产算法分析了混合指标下邻近圆轨道的双冲量最优交会。 |
| 7. | Based on the two - body assumption , two methods are used to investigate the mechanism of satellite formation flying on circular or near - circular orbits
首先基于二体假设，采用两种方法系统地研究了圆或近圆轨道上卫星编队飞行的构成机理。 |
| 8. | 2 . based on the spaceborne sar theory , an elliptical earth model and an elliptical orbit model are proposed , which have some advantages over the traditional circular ones
2 .基于星载sar的基本理论,给出了一种进行星载sar回波信号模拟的椭圆地球模型和椭圆轨道模型,它们优于传统的球地球模型和圆轨道模型。 |
| 9. | They are available for viewing at over the next seven months , the orbiter will " aerobrake , " dipping into mars " atmosphere and gradually changing its elliptical orbit into a near - circle about 185 miles above the planet ' s surface
在以后的7个月内， mro将缓慢沉入火星大气层，并渐渐由椭圆形轨道过渡到距火星表面约185英里300公里的近圆轨道。 |
| 10. | Through the approximate handling of geomagnetic intensity and differential riccati equation , the magnetic attitude h control law of the microsatellite in a circle orbit which has external disturb and the structural perturbation is presented
通过对卫星地磁场和微分riccati方程进行近似处理，给出有外界扰动和结构化摄动圆轨道卫星系统的h _磁姿态控制规律。 |
