photoelectric astrometry

例句：

1. 1.Photoelectric astrometry is a technique used to measure the distance between two stars.
   光电天体测量学是一种用来测量两颗恒星之间距离的技术。
2. 2. The photoelectric astrometry data helps astronomers determine the positions of celestial bodies.
   光电天体测量学数据帮助天文学家确定天体的方位。
3. 3. The accuracy of photoelectric astrometry depends on the quality of the light source and the detector.
   光电天体测量学的精确度取决于光源的质量以及探测器的精度。