1.
Research on Lunar Gravity Field and Maintenance of Lunar Satellite Orbit
月球重力场及低轨环月卫星轨道保持仿真分析
2.
Halo orbit station-keeping for in the presence of solar gravitational perturbations
考虑太阳引力摄动的Halo轨道保持控制
3.
Analysis of Station-Keeping Strategies for Collocation of Geostationary Satellites Based on Eccentricity and Inclination Perpendicular Separation
基于切平面内隔离的静止轨道共位卫星轨道保持策略
4.
Now , how do you stay on the Homing beacon?
那么，又该怎么保持在家乡灯塔的轨道上呢？
5.
The Comparison of Two Station-Keeping Strategies for Collocation of Geostationary Satellites
两种静止轨道多星共位位置保持策略比较
6.
Location Evolution and Keeping of IGSO Cross Node
倾斜同步轨道卫星交叉点位置演化及保持
7.
It is a force called gravity that holds them in their paths.
是一种叫引力的力量使它们保持在固定的轨道上。
8.
He knows how to keep the project on the track and how to stop the nonsense and bullshit immediately.
该人知道如何使项目保持正轨，以及如何立即制止毫无意义之言行。
9.
4 Notice my spine angle has stayed the same as it held at address. Maintaining this angle thru impact is a must.
我的右膝还保持它的弯曲度，没有冲出去挡住我挥杆的轨道。
10.
an artificial satellite that relays signals back to earth; orbits at the same rate the earth turns and so remains effectively stationary.
向地球传送信号的人造卫星；为保持有效的稳定围绕地球在同一轨道旋转。
11.
The moon gravitates to the earth, but is held in its path by opposing forces from other bodies in space.
月球为地球所吸引，但由于宇宙空间中其他天体相反的引力，月球保持了固定的轨道。
12.
This thesis introduces in detail how to keep betatron electron track radius invariable in two conditions of typical magnetic field distribution.
导出了两种典型磁场分布情形下,电子感应加速器中电子轨道半径保持恒定所满足的具体条件。
13.
The curvature of spacetime keeps the earth in its orbit around the sun and drives distant galaxies ever farther apart.
时空曲率使地球得以保持在绕日轨道中，也驱使遥远的星系彼此更加分离。
14.
Interaction Between Railway System and Sustainable Development of the Great Dalian;
轨道交通与大大连地区的可持续发展
15.
Policy Support for the Development of Urban Rail Transportation;
论发展城市轨道交通所需的扶持政策
16.
Study on Combined Optimal Strategy for Orbit Keeping and Phasing
轨道维持与调相的综合优化策略研究
17.
Track-Based TOD: The Fulcrum to the Sustainable Development of Nanjing Urban Rail Transit;
“轨道主导”型TOD:南京城市轨道交通可持续发展的支点
18.
Study and Simulation of Railway Safety Guarantee Technology;
轨道交通安全保障技术的研究与仿真