它叫做天文导航。
Autonomous celestial navigation system is a typical nonlinear, non-Gaussian dynamic system.天文导航系统是典型的非线性和噪声非高斯分布的系统。
China is an old country, its ancient people had knowledge of distant seas and of celestial navigation.中国是一个古老的国家。它的古代人民具有远洋知识和天体导航知识。