- 1. 晷针垂直于晷盘，平行于地轴，指向天北极(北极星附近)。
- The gnomon in the middle is perpendicular to the plate, parallel to the earth's axis, and points to the celestial North Pole (near the north Star).
来自互联网
- 2. 晷针垂直于晷盘，平行于地轴，指向天北极(北极星附近)。
- The gnomon in the middle is perpendicular to the plate, parallel to the earth's axis, and points to the celestial North Pole (near the north Star).
来自互联网
