| 1. | It is called celestial navigation .
它叫做天文导航。 |
| 2. | Acn automatic celestial navigation
自动天体导航 |
| 3. | Automatic celestial navigation
自动天文导航 |
| 4. | Celestial navigation trainer
天文导航教练器 |
| 5. | The research of stars map bottom procession in celestial navigation has been done in this dissertation
本文是对天文导航中星图图像进行底层处理的研究。 |
| 6. | Celestial navigation is basic model of autonomous orientation navigation of the spacecraft around the earth
天文导航是绕地飞行航天器最基本的自主定位导航方式。 |
| 7. | The autonomous celestial navigation algorithm in the case of small sample observation is investigated in this paper
本文分析了航天器实现自主导航的天文导航方法。 |
| 8. | 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。 |
| 9. | Celestial navigation has many advantages in this field because of its completely autonomous ability and high resulted navigation accuracy
天文导航具有完全自主、导航误差不随时间累积的优点。 |
