side
real
1
恒星的, 星的
relating to a system of time measurement based on the positions and movements of the stars
- The satellite’s positioning was adjusted based on sidereal time to maintain its orbit.
卫星的定位是根据恒星时间进行调整以保持其轨道。
- Sidereal time is often used in astronomy because it provides a more precise reference for celestial observations.
恒星时常用于天文学，因为它为天体观测提供了更精确的参考。
- The spacecraft was launched at a specific sidereal time to align with the orbit of the target planet.
航天器在特定的恒星时间发射，以与目标行星的轨道对齐。
- He calculated the sidereal time to determine the best moment to observe the comet’s trajectory.
他计算了恒星时间以确定观察彗星轨迹的最佳时刻。
- Astronomers use sidereal time to accurately track the position of celestial objects in the sky.
天文学家使用恒星时间来准确跟踪天空中天体的位置。
反义词：
2
恒星的, 与星有关的
relating to the stars or constellations, especially in terms of their positions relative to Earth
- Sidereal time is based on the Earth's rotation relative to distant stars rather than the sun.
恒星时是基于地球相对于遥远恒星的旋转，而不是太阳。
- Sidereal day is shorter than a solar day due to the Earth's orbital motion around the sun.
由于地球绕太阳的轨道运动，恒星日比太阳日短。
- Sidereal measurements and calculations are based on the fixed positions of stars and constellations in the night sky.
恒星测量和计算基于夜空中恒星和星座的固定位置。
- Sidereal astrology uses the positions of stars and constellations for horoscopic purposes.
恒星占星术使用恒星和星座的位置进行占星目的。
- Sidereal charts plot the positions of celestial objects against the background of distant stars.
恒星图绘制了天体相对于遥远恒星背景的位置。