catadromy

例句：

1. 1. The astronomers used catadromy to measurethe distance between the stars.
   天文学家使用天体测量来测量恒星之间的距离。
2. 2. Thecatadromy data helped scientists understandthe movement of the planets.
   天体测量数据帮助科学家理解行星的运动。
3. 3. Thecatadromy equipment was essential forthe mission's success.
   天体测量设备对于任务的成功至关重要。