precise ephemeris

• 精确星历表

precise ephemeris的用法和样例：

例句

1. You may use the on-line New Object Ephemeris Generator to generate ephemerides to enable you to find the object after the first night.
   你可以使用在线星历表生成器来计算你发现的目标的以后的位置预报。
2. In this paper, we describe two methods for computing the coordinates and velocities of satellites by using the broadcast ephemeris of the "transit" satellites.
   本文介绍利用子午卫星的广播星历表计算卫星坐标和速度的两种方法。