ecliptic of date

例句：

1. 1. The ecliptic plane is the path that the sun takes across the sky during a year.
   黄道面是太阳在一年中穿越天空的路径。
2. 2. The ecliptic plane is also used to determine the date of a solar eclipse.
   黄道面也用于确定日食的发生日期。
3. 3. The ecliptic plane is the reference point for determining the position of the sun in relation to the Earth's orbit.
   黄道面是确定太阳与地球轨道相对位置的参考点。