通常在10年前，如果一个天文学家告诉你，他的测量精度是百万分之五，你只会哈哈大笑。
Normally when or 10 years ago, if an astronomer told you that he was making measurements to a precision of five parts in a million, you would just laugh.
新方法的应用，使天文测量的效率、精度都得以大大提高。
Efficiency and precision of astronomical survey have been improved greatly by using new method.
论述了基于最优估计理论的天文定位方法中天体高度测量精度与定位精度的关系。
Discussed the relationship between the altitude accuracy observed and accuracy of celestial positioning based on the optimal estimating method.
应用推荐