plane of trajectory orbital

• 轨道面

plane of trajectory orbital的用法和样例：

例句

1. The projection of the ecliptic plane, the plane of planet Earth's orbit around the Sun, is traced by the long blue line running diagonally through the picture.
   黄道平面的投影指的是地球绕太阳的轨道面，沿着对角线投影在这张图上的蓝色线段就是黄道平面的投影。