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- The point on the orbit of a celestial body that is farthest from the sun. 远日点在天体运行轨道上距离太阳最远的点
- The point of greatest or least distance of the orbit of a celestial body from a center of attraction. 离吸引中心最远或最近距离的点。
- The orbit of a celestial body. 天体的轨道
- the point on the orbit of a celestial body that is farthest from the sun 远日点,在天体运行轨道上距离太阳最远的点
- the point of greatest or least distance of the orbit of a celestial body from a center of attraction 远近点,天体轨道离吸引中心最远或最近距离的点
- 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
- The orbit of a space satellite decayed. 人造卫星轨道的能量消减了。
- The emergence of a celestial body from eclipse or occultation. 出凌天体从蚀或掩星中的出现。
- The passage of a celestial body across the observer's meridian. 凌日,一个天体经过观测者的最高点。
- Marketing does not come within the orbit of his department. 市场推销业务不归他这一部门管。
- The angular distance of a celestial body below the horizon. 俯角天体在地平线下的角距离。
- To cause perturbation, as of a celestial orbit. 摄动引起摄动,如天空中轨道的
- The obscuring of a celestial body by another or by the shadow of another. 掩始一个天体被另一个天体或另一个天体的阴影遮掩
- The angular distance of a celestial body north or south of the ecliptic. 黄纬黄道以南或以北天体的用角度量的距离
- The highest point reached in the apparent motion of a celestial body. 天顶一个天体的明显运动达到最高点
- The law of universal gravitation helps us predict accurately the orbit of a spacecraft . 万有引力定律帮助我们精确计算宇宙飞船的轨道。
- But sometimes it moves inside the orbit of Neptune. 但有时候,它却运行到海王星轨道里面去了。
- The Orbit of the Moon around the Sun is Convex! 月亮绕太阳的轨道是凸状的。
- The orbit of the earth is elliptical. 地球的轨道是椭圆形的。
- Either of two diametrically opposite points at which the orbit of a planet intersects the ecliptic. 交点行星的轨道与黄道相交的完全相对的两点中任何一点