1.
Quadratic-Based Computation of Four-Impulse Optimal Rendezvous between Near Circular Orbits
基于二次方程组的邻近圆轨道四冲量最优交会
2.
Partial Variable Aiming Method for Multi-Impulse Quasi-Circular Orbit Rendezvous
多冲量近圆轨道交会的部分变量瞄准法
3.
elliptic ascent
沿椭圆轨迹进入轨道
4.
The point in any orbit nearest to the body being orbited.
最近点围绕任何物体的椭圆轨道上离被围绕物最近的一点
5.
causes a particle on the surface to move in a roughly circular orbit,
使水面上的一个微粒按照一种近乎圆形的轨道移动，
6.
Deviating from a circular form or path, as in an elliptical orbit.
偏离轨道运行的偏离圆周轨道或路线，如椭圆轨道
7.
The point nearest the sun in the orbit of a planet or other celestial body.
近日点绕日运行的行星或其它天体的椭圆轨道上离太阳最近的一点
8.
argument of perigee of satellite orbit
卫星轨道近地点幅角
9.
Analysis of Orbit Dynamics for Spacecraft Octahedron Formation Configuration in the Circular Orbit
圆轨道航天器八面体编队构型轨道动力学分析
10.
Several Relative Formation of Spacecrafts Flight in Highly Elliptic Orbits Based on Relative Orbit Elements
基于相对轨道根数的几种大椭圆轨道编队构形
11.
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。
12.
The moon does not describe a circle round the earth, but rather an ellipse
月球绕地球运行的轨道不是浑圆的，而是椭圆的。
13.
The Earth's path round the sun is elliptical.
地球绕太阳的轨道是椭圆形的。
14.
(of planets,etc)moving in an eccentric orbit
（指行星等）在不正圆的轨道上运行的.
15.
the acceleration toward the center that holds a satellite in elliptical orbit.
在卫星椭圆轨道上面向中心的加速度。
16.
The path of the earth around the sun is oval.
地球围绕太阳公转的轨道是椭圆形的。
17.
Pluto has an elliptic orbit.
冥王星的轨道是椭圆形的。
18.
Data incompleteness in Radon space for circular cone-beam reconstruction
圆轨道锥束重建中Radon空间数据缺失