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- It is called celestial navigation. 它叫做天文导航。
- 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。
- 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。
- AA200, celestial navigation celestial position calculation program, according to Jet Propulsion Laboratory DE405 ephemeris astronomical prepared, in the international arena in the most advanced level. AA200,天文导航天体位置计算程序,根据喷气推进实验室DE405天文历表编制而成,在国际上处于最先进的水平。-aa200c.
- Celestial Navigation and Starlight Guidance 天文导航与星光制导
- celestial navigation system(CNS) 天文导航系统
- Link Celestial Navigation Trainer 林克天体导航教练机
- radio celestial navigation system 射电天文导航系统
- Survey of overseas celestial navigation technology development 国外天文导航技术发展综述
- Two DSP Embedded Hardware Platform for Celestial Navigation System 双DSP嵌入式天文导航硬件平台
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁,所以在这条河上航行很困难。
- The apparent celestial origin of a meteoric shower. 流星群的辐射点明显的流星雨太空光源
- Optimum installation azimuth of star sensor for spacecraft celestial navigation 航天器天文导航中星敏感器最佳安装方位研究
- The sun, moon, stars, etc. are celestial bodies. 太阳、月亮、星星等都是天体。
- A Modeling Method of Celestial Navigation of a Ground-to-Ground Missile 地地导弹天文导航的一种建模方法
- Application of Improved Genetic Algorithm to Submarine Celestial Navigation 改进遗传算法在潜艇天文导航中的应用
- The compass is an instrument of navigation. 罗盘是航行仪器。
- A Celestial Navigation Method of Ballistic Missile in The Free-flight Phase 弹道导弹自由段的一种天文导航方法
- They had no hope of admission to the celestial kingdom. 他们无望进入天国。
- The sun, the stars and the moon are celestial bodies. 太阳,星星和月亮都是天体。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries